GPT-6.1 Terra on BenchGecko · price and context
OpenAI's GPT-6.1 Terra is listed on BenchGecko at $1 per million input tokens and $5 per million output tokens with a 1,050,000 token context window.
What was added
GPT-6.1 Terra by OpenAI is tracked on BenchGecko. Release date 2026-10-26. The API id is gpt-6.1-terra. It accepts text and image input and lists a 1,050,000 token context window.
BenchGecko's daily catalog sync picked it up on 2026-10-29 together with GPT-6.1 Terra Pro and batch variants of both.
Price on BenchGecko
- GPT-6.1 Terra · $1 per million input tokens · $5 per million output tokens
- OpenAI lists cached input at $0.05 per million tokens
- GPT-6.1 Terra (batch) · $0.50 input · $2.50 output
- GPT-6.1 Terra Pro · $1 input · $5 output, as listed on OpenRouter
How it compares on price
GPT-6.1 Sol lists at $2 input and $10 output, so Terra costs half on both sides. GPT-5.6 Terra lists at $2 input and $12 output on BenchGecko, so the new Terra is 50% cheaper on input and about 58% cheaper on output. All three share the same 1,050,000 token context window.
Benchmarks and tests
No independent benchmark scores are on BenchGecko yet. OpenAI reports Terminal-Bench 4.0 at 50.3% at maximum reasoning effort, against 21.5% for GPT-5.6 Terra. These are self-reported figures and are not part of BenchGecko scores until a publisher adds them.
BenchGecko's own profile tests ran on launch day. The launch report card covers identity, refusals, knowledge cutoff and language cost.
Sources
Source: BenchGecko
Written automatically from BenchGecko's tracked data for this period; every number comes from the changelog, model, mindshare and pricing datasets. Checked against the source data before publishing.