OpenAI · API model
GPT-6.1 Terra
API id gpt-6.1-terra prices checked
- Input
- $1.00/1M
- Output
- $5.00/1M
- Context
- 1.05Mtokens
- Max output
- 128Ktokens
- Knowledge cutoff
- Jun 2026
- Typical request
- $0.004
Pricing
US dollars per 1 million tokens. A typical request (1,000 input + 500 output tokens) costs $0.004 at standard rates.
| Rate | Input | Cached input | Output |
|---|---|---|---|
| Standard | $1.00 | $0.050 | $5.00 |
| Long promptsPrompts over 272K tokens | $2.00 | $0.10 | $7.50 |
| BatchAsynchronous, results within 24 hours | $0.50 | — | $2.50 |
| FlexLower price, slower responses | $0.50 | — | $2.50 |
| PriorityFast mode, 2x standard. | $2.00 | — | $10.00 |
Capabilities and limits
| Context window | 1.05M tokens |
|---|---|
| Max output | 128K tokens |
| Input | TextImages |
| Output | Text |
| Reasoning | Adjustable effort |
| Tool use | Yes |
| Structured output (JSON) | Yes |
| Knowledge cutoff | Jun 1, 2026 |
Lifecycle status
No deprecation or shutdown date announced on OpenAI's official deprecations page as of Oct 23, 2026.
Change history
Launches, price changes and retirements for GPT-6.1 Terra, newest first, each linked to the vendor's notice.
GPT-6.1 Terra released at $1 / $5 per 1M tokens
Above 272K input tokens it costs $2 / $7.50.
vendorOpenAI API changelog
Benchmarks and speed
Not collected yet. Scores will come only from independent leaderboards, each shown with its source and test date.
Planned: GPQA Diamond, SWE-bench Verified, AIME 2025, LMArena Elo, output speed and time to first token.
Where these numbers come from
Every value is an observation with a source and a date. independent is a third-party catalog, vendor is the model maker's own page, derived is our calculation.
| Field | Value | Source | Observed |
|---|---|---|---|
| Standard price, input / output | $1.00 / $5.00 | vendorOpenAI API pricing | Nov 5, 2026 |
| Standard price, input / output | $1.00 / $5.00 | independentLiteLLM | Nov 5, 2026 |
| Standard price, input / output | $1.00 / $5.00 | independentOpenRouter | Nov 5, 2026 |
| Release date | 2026-10-26 | vendorOpenAI API changelog | Nov 5, 2026 |
| Context window | 1,050,000 | vendorOpenAI model docs | Nov 5, 2026 |
| Maximum input | 922,000 tokens out of the 1,050,000 total | vendorOpenAI model docs | Nov 5, 2026 |
| Typical request | $0.0035 | derivedai-magazine calculation: 1,000 input + 500 output tokens | Nov 5, 2026 |