GPT-6.1 Terra
Latest GPT-6.1 TerraFast, efficient model for visual reasoning, precise computer use, and clear, natural writing.
- Price per 1M tokens
- $1 / $5 input / output · OpenAI
- Context window
- 1.05M tokens in · 128K out
- Since the last one
- 109 days after GPT-5.6 Terra
Since GPT-5.6 Terra
2 releases in the GPT-6.1 Terra line.
Released109 days later
Price in / out$1 / $5−56%
Context1.05Msame
BENCHMARKS
Not in the Epoch Capabilities Index. Epoch benchmarks what it can run, so this is a gap in coverage, not a poor result.
OpenAI's past year
24 release days in the past year, about one every 15 days. The next is expected around Nov 6, 2026. Forecasts ↗
NovDecJanFebMarAprMayJunJulAugSepOctNov
Specifications
RELEASE DATEOct 26, 2026
WEIGHTSClosed weights
CONTEXT WINDOW1.05M
MAX OUTPUT128K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext, image/jpeg, image/png, image/gif, image/webp, application/pdf
OUTPUTStext
Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.