GPT-5.6 Terra Pro pricing & benchmarks
Released Jul 9, 2026 · served by 2 providers
What GPT-5.6 Terra Pro is
GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
- Model ID:
openai/gpt-5.6-terra-pro - Modality: text+image+file->text
- Knowledge cutoff: 2026-02-16
- Tool calling: supported · Structured output: supported
Providers and prices for GPT-5.6 Terra Pro
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| OpenAIcheapest | $2.50 | $15.00 | 1.1M | — | 99.8% | — |
| Azure | $2.75 | $16.50 | 1.1M | — | — | — |
FAQ
How much does the GPT-5.6 Terra Pro API cost?
$1.25 per 1M input tokens and $7.50 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $3.50.
Is GPT-5.6 Terra Pro free?
No. It is a paid model starting at $1.25 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for GPT-5.6 Terra Pro?
OpenAI at $2.50 input / $15.00 output per 1M tokens.
Can I self-host GPT-5.6 Terra Pro?
No. GPT-5.6 Terra Pro is closed-weight and only available through hosted APIs.