GPT-5.6 Terra API Pricing — $2.00/M input, $12.00/M output
GPT-5.6 model that balances intelligence and cost — ideal for everyday production workloads.
Speed
Tokens / sec
78
TTFT
380 ms
Rank
#20 of 31
$ / M ÷ t/s
$0.06
Measured with 5 runs on a fixed prompt — see the full methodology.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $0.45 |
| 1,000,000 | $4.50 |
| 10,000,000 | $45.00 |
| 100,000,000 | $450.00 |
How GPT-5.6 Terra compares
GPT-5 Nano — $0.14/MGPT-4o Mini — $0.26/MGPT-5.6 Luna — $0.45/MGPT-5.4 Nano — $0.46/MGPT-5 Mini — $0.69/MGemini 3.1 Pro — $4.50/MGPT-4o — $4.38/MGPT-4.1 — $3.50/M
Head-to-head comparisons
GPT-5.6 Terra vs Claude Opus 4.8GPT-5.6 Terra vs Grok 4.3GPT-5.6 Terra vs Gemini 3.1 ProGPT-5.6 Terra vs GPT-4 Turbo
FAQ
Is GPT-5.6 Terra cheaper than Gemini 3.1 Pro?
GPT-5.6 Terra costs $4.50/M blended tokens, Gemini 3.1 Pro costs $4.50/M — Gemini 3.1 Pro is cheaper.
How much does 1 million tokens cost with GPT-5.6 Terra?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $4.50. Pure input costs $2.00/M; pure output costs $12.00/M.
Who provides GPT-5.6 Terra?
GPT-5.6 Terra is served by OpenAI. Pricing was last verified on 2026-07-30 against https://openai.com/api/pricing.
