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OpenAI: GPT-6.1 Terra (batch)

openai/gpt-6.1-terra:batch

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GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots and on-screen content, and is efficient enough for high-volume workloads.

Modalities
In / Out Price
$0.50 / $2.50per 1M
Context
1.1M
Released
Oct 26, 2026
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ProvidersPricingPerformanceUptimeBenchmarksAppsActivityFAQExplore

Providers

Different companies host the same model. OpenRouter routes your request to one of them based on the routing mode you pick — Balanced (price + speed), Nitro (fastest), or Floor (cheapest).

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Benchmarks

Scores on standardized evaluations and this model’s own outputs on shared benchmark prompts. Higher percentages are better — and each rank shows where this model lands among the models evaluated on that source.

Benchmark score summary for OpenAI: GPT-6.1 Terra (batch) (Artificial Analysis and Vals AI)
SourceBenchmarkScore
Artificial AnalysisGPT-6.1 Terra (Xhigh) Intelligence Index45.0
Artificial AnalysisGPT-6.1 Terra (Xhigh) HLE43.7%
Artificial AnalysisGPT-6.1 Terra (Xhigh) AA-LCR81.7%
Artificial AnalysisGPT-6.1 Terra (Xhigh) GDPval-AA45.7%
Artificial AnalysisGPT-6.1 Terra (Xhigh) CritPt26.6%
Artificial AnalysisGPT-6.1 Terra (Xhigh) SciCode53.4%
Artificial AnalysisGPT-6.1 Terra (Xhigh) Terminal-Bench 4.046.5%
Artificial AnalysisGPT-6.1 Terra (Xhigh) AA-Omniscience Accuracy48.0%
Artificial AnalysisGPT-6.1 Terra (Xhigh) AA-Omniscience Non-Hallucination Rate63.2%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) Intelligence Index30.4
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) HLE21.1%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) AA-LCR67.7%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) GDPval-AA39.3%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) CritPt4.9%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) SciCode47.8%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) Terminal-Bench 4.026.8%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) AA-Omniscience Accuracy40.7%
Artificial AnalysisGPT-6.1 Terra (Non-reasoning) AA-Omniscience Non-Hallucination Rate22.9%
Artificial AnalysisGPT-6.1 Terra (Low) Intelligence Index29.2
Artificial AnalysisGPT-6.1 Terra (Low) HLE35.8%
Artificial AnalysisGPT-6.1 Terra (Low) AA-LCR81.0%
Artificial AnalysisGPT-6.1 Terra (Low) GDPval-AA35.2%
Artificial AnalysisGPT-6.1 Terra (Low) CritPt15.1%
Artificial AnalysisGPT-6.1 Terra (Low) SciCode52.4%
Artificial AnalysisGPT-6.1 Terra (Low) Terminal-Bench 4.015.2%
Artificial AnalysisGPT-6.1 Terra (Low) AA-Omniscience Accuracy45.6%
Artificial AnalysisGPT-6.1 Terra (Low) AA-Omniscience Non-Hallucination Rate58.4%
Artificial AnalysisGPT-6.1 Terra (High) Intelligence Index42.3
Artificial AnalysisGPT-6.1 Terra (High) HLE43.3%
Artificial AnalysisGPT-6.1 Terra (High) AA-LCR82.3%
Artificial AnalysisGPT-6.1 Terra (High) GDPval-AA42.6%
Artificial AnalysisGPT-6.1 Terra (High) CritPt25.7%
Artificial AnalysisGPT-6.1 Terra (High) SciCode51.6%
Artificial AnalysisGPT-6.1 Terra (High) Terminal-Bench 4.041.9%
Artificial AnalysisGPT-6.1 Terra (High) AA-Omniscience Accuracy47.3%
Artificial AnalysisGPT-6.1 Terra (High) AA-Omniscience Non-Hallucination Rate63.0%
Artificial AnalysisGPT-6.1 Terra (Medium) Intelligence Index38.1
Artificial AnalysisGPT-6.1 Terra (Medium) HLE40.2%
Artificial AnalysisGPT-6.1 Terra (Medium) AA-LCR80.7%
Artificial AnalysisGPT-6.1 Terra (Medium) GDPval-AA41.2%
Artificial AnalysisGPT-6.1 Terra (Medium) CritPt21.4%
Artificial AnalysisGPT-6.1 Terra (Medium) SciCode51.6%
Artificial AnalysisGPT-6.1 Terra (Medium) Terminal-Bench 4.032.3%
Artificial AnalysisGPT-6.1 Terra (Medium) AA-Omniscience Accuracy47.4%
Artificial AnalysisGPT-6.1 Terra (Medium) AA-Omniscience Non-Hallucination Rate60.4%
Artificial AnalysisGPT-6.1 Terra (Max) Intelligence Index51.0
Artificial AnalysisGPT-6.1 Terra (Max) HLE46.2%
Artificial AnalysisGPT-6.1 Terra (Max) AA-LCR82.7%
Artificial AnalysisGPT-6.1 Terra (Max) GDPval-AA48.8%
Artificial AnalysisGPT-6.1 Terra (Max) CritPt28.0%
Artificial AnalysisGPT-6.1 Terra (Max) SciCode55.1%
Artificial AnalysisGPT-6.1 Terra (Max) Terminal-Bench 4.055.6%
Artificial AnalysisGPT-6.1 Terra (Max) AA-Omniscience Accuracy47.6%
Artificial AnalysisGPT-6.1 Terra (Max) AA-Omniscience Non-Hallucination Rate65.5%
Vals AIGPT-6.1 Terra EMB v1.173.3%
Vals AIGPT-6.1 Terra Finance Agent v2.156.0%
Vals AIGPT-6.1 Terra Vals Finance Index53.3%
Vals AIGPT-6.1 Terra HLAB-Vals-1.11.7%
Vals AIGPT-6.1 Terra Vals Legal Index58.8%
Vals AIGPT-6.1 Terra Legal Research Bench26.0%
Vals AIGPT-6.1 Terra Tax Agent Bench17.1%
Vals AIGPT-6.1 Terra Terminal-Bench 4.049.5%
Vals AIGPT-6.1 Terra Vals Index60.5%
Vals AIGPT-6.1 Terra Vibe Code Bench v1.184.0%

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

OpenAI: GPT Terra versions

Not currently available through EU in-region routing. In-region routing docs

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Not enough uptime data to display yet.

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and provider routing options.

Not enough data for apps using this model yet.

Frequently asked questions

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots and on-screen content, and is efficient enough for high-volume workloads.

GPT-6.1 Terra (batch) costs $0.50/M input tokens and $2.50/M output tokens, with separate rates for Cache Read at $0.025/M tokens, Cache Write at $0.625/M tokens, and Web Search at $10.00/1K calls.

GPT-6.1 Terra (batch) has a 1,050,000 token context window. It supports up to 128,000 completion tokens.

Yes. GPT-6.1 Terra (batch) accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

Yes. OpenAI caches prompts of 1024 tokens or more automatically, and GPT-6.1 Terra (batch) bills a cache write on each cached prompt whether or not the cached prefix is read again. To turn caching off for a request, set prompt_cache_options.mode to "explicit" at the request root and do not mark any content block with prompt_cache_breakpoint. Explicit mode disables OpenAI-managed breakpoints, so a request with none of your own has no cacheable prefix and is billed at the plain input rate. See the prompt caching guide.

GPT-6.1 Terra (batch) accepts files such as PDFs, images, and text as input and returns text.

GPT-6.1 Terra Pro, GPT-6 Luna Decisions, GPT-6.1 Sol Pro and 58 more are other text models from OpenAI.

GPT-6.1 Terra (batch) was released on October 26, 2026.

More models from OpenAI

GPT-6.1 Terra Pro

GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6.1 Terra and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6.1 Terra instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$1 / $5
GPT-6.1 Terra Pro (batch)

GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6.1 Terra and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6.1 Terra instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$0.50 / $2.50
GPT-6.1 Terra

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots and on-screen content, and is efficient enough for high-volume workloads.

Text1.1M context$1 / $5
GPT-6.1 Terra (batch)

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots and on-screen content, and is efficient enough for high-volume workloads.

Text1.1M context$0.50 / $2.50
GPT-6 Luna Decisions

GPT-6 Luna Decisions is GPT-6 Luna served through OpenAI's Decisions API. Instead of generating text, it reads the content passed as state (text, JSON, or images) and returns typed, probabilistic answers to named questions in a single request: the probability of yes for a yes/no question (noul), a probability for every option plus the most likely one (choice), or a probability for every level of an ordered rubric plus the expected score (score).

It is built for classification, routing, moderation, and rubric grading where application code thresholds the returned numbers rather than parsing a chat reply. A request can carry up to 200 questions about the same content.

Decisions$0.10 / $0
GPT-6.1 Sol Pro

GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6.1 Sol and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6.1 Sol instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$2 / $10
GPT-6.1 Sol Pro (batch)

GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6.1 Sol and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6.1 Sol instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$1 / $5
GPT-6.1 Sol

GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional work, and multi-step business workflow automation, and approaches Astra-level results on these tasks at a much lower cost. Compared with GPT-6 Sol, it makes fewer factual errors and is more reliable at respecting explicit restrictions and user intent during agentic tasks.

Text1.1M context$2 / $10
GPT-6.1 Sol (batch)

GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional work, and multi-step business workflow automation, and approaches Astra-level results on these tasks at a much lower cost. Compared with GPT-6 Sol, it makes fewer factual errors and is more reliable at respecting explicit restrictions and user intent during agentic tasks.

Text1.1M context$1 / $5
GPT-6 Luna Pro

GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6 Luna and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6 Luna instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$0.10 / $0.50
GPT-6 Luna Pro (batch)

GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6 Luna and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6 Luna instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$0.05 / $0.25
GPT-6 Luna

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic tasks, and at higher reasoning effort it can take on complex software engineering and computer-use tasks that previously called for a Sol-tier model. It shares the GPT-6 family's gains in factual reliability and its clearer, more concise communication style.

Text1.1M context$0.10 / $0.50
GPT-6 Luna (batch)

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic tasks, and at higher reasoning effort it can take on complex software engineering and computer-use tasks that previously called for a Sol-tier model. It shares the GPT-6 family's gains in factual reliability and its clearer, more concise communication style.

Text1.1M context$0.05 / $0.25
GPT-6 Sol Pro

GPT-6 Sol Pro is the same underlying model as GPT-6 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6 Sol and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6 Sol instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$2 / $10
GPT-6 Sol Pro (batch)

GPT-6 Sol Pro is the same underlying model as GPT-6 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Cost note: pro mode spends far more reasoning tokens per request, so a typical request costs several times more than the same request on GPT-6 Sol and takes much longer to complete. It is intended for hard, high-stakes problems where the extra accuracy justifies the cost. For everyday coding, agentic, and chat workloads, use GPT-6 Sol instead.

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Text1.1M context$1 / $5
GPT-6 Sol

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional work, agentic coding, business workflow automation, and computer use, and is particularly strong at long-horizon software engineering tasks in real codebases. It approaches Astra-level factual reliability at a much lower cost and shares Astra's clearer, more concise communication style in technical and coding conversations.

Text1.1M context$2 / $10
GPT-6 Sol (batch)

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional work, agentic coding, business workflow automation, and computer use, and is particularly strong at long-horizon software engineering tasks in real codebases. It approaches Astra-level factual reliability at a much lower cost and shares Astra's clearer, more concise communication style in technical and coding conversations.

Text1.1M context$1 / $5
GPT Astra Latest

This model always redirects to the latest model in the GPT Astra family.

Text1.1M context
GPT Sol Latest

This model always redirects to the latest model in the GPT Sol family.

Text1.1M context
GPT Terra Latest

This model always redirects to the latest model in the GPT Terra family.

Text1.1M context