Best Input Price
$0.00 / 1M
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. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Context Window
1,050,000 tokens
Reasoning
Supported
Tool Calling
Supported
Released
2026-07-09
Inference Providers (39)
| Provider | Model ID | Context | Input / 1M | Output / 1M | Action |
|---|---|---|---|---|---|
| Snowflake Cortex | openai-gpt-5.6-terra | 1,050,000 | $0.00 | $0.00 | Docs ↗ |
| GitLab Duo | duo-chat-gpt-5-6-terra | 1,050,000 | $0.00 | $0.00 | Docs ↗ |
| Kenari | gpt-5-6-terra | 1,050,000 | $0.00 | $0.00 | Docs ↗ |
| routing.run | gpt-5.6-terra | 1,000,000 | $1.50 | $9.00 | Docs ↗ |
| Xpersona | gpt-5.6-terra | 372,000 | $1.50 | $2.00 | Docs ↗ |
| NanoGPT | openai/gpt-5.6-terra-pro | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| LLM Gateway | azure/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Kilo Gateway | openai/gpt-5.6-terra-pro | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| 302.AI | gpt-5.6-terra-pro | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| OpenRouter | openai/gpt-5.6-terra-pro | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Azure | gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Impossibl | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Cloudflare AI Gateway | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| OrcaRouter | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Ofox | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Neon | gpt-5-6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Merge Gateway | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Opper | gpt-5.6-terra | 1,000,000 | $2.00 | $12.00 | Docs ↗ |
| GitHub Copilot | gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Eden AI | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| DevPass (LLM Gateway) | gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| OpenAI | gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| CrossModel | openai/gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| DigitalOcean | openai-gpt-5.6-terra | 1,050,000 | $2.00 | $12.00 | Docs ↗ |
| Requesty | gpt-5.6-terra@eu | 1,050,000 | $2.20 | $13.20 | Docs ↗ |
| Amazon Bedrock | us.openai.gpt-5.6-terra | 1,050,000 | $2.20 | $13.20 | Docs ↗ |
| Cortecs | gpt-5.6-terra | 1,050,000 | $2.20 | $13.20 | Docs ↗ |
| Databricks | databricks-gpt-5-6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| Venice AI | openai-gpt-56-terra | 1,000,000 | $2.50 | $15.00 | Docs ↗ |
| Abacus | gpt-5.6-terra | 1,000,000 | $2.50 | $15.00 | Docs ↗ |
| Azure Cognitive Services | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| AI-ROUTER | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| ZenMux | openai/gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| AIHubMix | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| Pioneer | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| OpenCode Zen | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| SAP AI Core | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| Vivgrid | gpt-5.6-terra | 1,050,000 | $2.50 | $15.00 | Docs ↗ |
| Vercel AI Gateway | openai/gpt-5.6-terra-fast | 1,050,000 | $4.00 | $24.00 | Docs ↗ |