OpenAI makes GPT-6.1 Terra available in the API, ChatGPT Work and Codex and publishes standard token pricing.
OpenAI releases GPT-6.1 Terra for lower-cost computer use
2026-10-26Verified announcementTRIAL
OpenAI released GPT-6.1 Terra to all Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex, and through the API as gpt-6.1-terra. Standard API pricing is $1 per million input tokens, $0.05 per million cached input tokens and $5 per million output tokens. OpenAI positions it for visual reasoning and computer use at half the standard token price of GPT-5.6 Terra and GPT-6.1 Sol.
Official · AnnouncementIntroducing GPT-6.1 TerraOfficial · Documentationdevelopers.openai.com · changelog
Availability: GA in API, ChatGPT Work and Codex for listed paid and education plans
What this means for you
For teams automating browser and desktop work, Terra materially lowers the price floor for computer-use tasks. Its benchmark and safety claims are vendor-reported, so routing decisions should use real task completion cost and failure rates rather than headline scores.
Evidence & related material
Technical details & scores
| Model | gpt-6.1-terra |
|---|---|
| Availability | GA in API, ChatGPT Work and Codex for listed paid and education plans |
| Pricing Per Million Tokens | $1 input / $0.05 cached input / $5 output |
| Vendor Benchmarks | Terminal-Bench 4.0: 50.3% at max effort; internal factual-error benchmark: 16.7% at low effort and 4.3% at max effort |
| Evidence Limit | Benchmark and safety results are OpenAI-reported; no independent reproduction was found |
| Time Basis | OpenAI RSS published 2026-10-26T00:00:00Z; absent from the prior fixed-source capture, so recorded as late discovery |
Technical impact 4
Engineering value 5
Adoption signal 3
Maturity 4
Verification cost 2
Risk 3