GPT-5.6 Terra
OpenAI · openai/gpt-5.6-terra
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
GPT-5.6 Terra ranks #309 of 348 models in the default AI Benchmark Hub order (quality first, then cost). At $7.00 blended per million tokens, it is cheaper than 12% of models with published API pricing. Its 1,050,000-token context window is 4.0× the catalog median (262,144 tokens).
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Context
Max context: 1050000
Max output: 128000
Max output: 128000
Pricing
Input / 1M: 2.00
Output / 1M: 12.00
Blend / 1M: 7.00
Output / 1M: 12.00
Blend / 1M: 7.00
Quality
Quality index: —
Provider
Provider: OpenAI
Moderated: yes
Moderated: yes
Monthly cost at this blended rate
Estimated API spend if every token is billed at $7.00per million (the blend of this model's input and output prices). Real bills depend on the input/output mix.
| Tokens / month | Est. cost (USD) |
|---|---|
| 1,000,000 | $7.00 |
| 10,000,000 | $70.00 |
| 100,000,000 | $700.00 |
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Closest API price
- Gemini 3.1 Pro Preview$7.00 / 1M · Q 81.8
- GPT-5.6 Terra Pro$7.00 / 1M
- Nano Banana Pro (Gemini 3 Pro Image)$7.00 / 1M
- Google Gemini Pro Latest$7.00 / 1M
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