GPT-5.6 Terra is an AI model by OpenAI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
General Benchmarks
Artificial Analysis composite intelligence score across 10 sub-benchmarks
Artificial Analysis (via OpenRouter)Coding Benchmarks
Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Reasoning Benchmarks
Artificial Analysis composite score for multi-step tool-using tasks
Artificial Analysis (via OpenRouter)Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 37 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 5 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Kenari | $0 | $0 | — | 1.1M | — |
| routing.run | $1.5 | $9 | — | 1.0M | — |
| Xpersona | $1.5 | $2 | $0.15 | 372K | — |
| 302.AI | $2 | $12 | — | 1.1M | — |
| Amazon Bedrock | $2 | $12 | $0.2 | 1.1M | Supported |
| Azure | $2 | $12 | $0.2 | 1.1M | Supported |
| Cloudflare AI Gateway | $2 | $12 | $0.2 | 1.1M | — |
| CrossModel | $2 | $12 | $0.2 | 1.1M | — |
| DevPass (LLM Gateway) | $2 | $12 | $0.2 | 1.1M | — |
| Eden AI | $2 | $12 | $0.2 | 1.1M | — |
| GitHub Copilot | $2 | $12 | $0.2 | 1.1M | — |
| Impossibl | $2 | $12 | $0.2 | 1.1M | — |
| Kilo Gateway | $2 | $12 | $0.2 | 1.1M | — |
| LLM Gateway | $2 | $12 | $0.2 | 1.1M | — |
| Merge Gateway | $2 | $12 | $0.2 | 1.1M | — |
| NanoGPT | $2 | $12 | $0.2 | 1.1M | — |
| Neon | $2 | $12 | $0.2 | 1.1M | — |
| Ofox | $2 | $12 | $0.2 | 1.1M | — |
| OpenAI | $2 | $12 | $0.2 | 1.1M | Supported |
| OpenRouter | $2 | $12 | $0.2 | 1.1M | Supported |
| Opper | $2 | $12 | $0.2 | 1.1M | — |
| OrcaRouter | $2 | $12 | $0.2 | 1.1M | — |
| Requesty | $2 | $12 | $0.2 | 1.1M | — |
| Vercel AI Gateway | $2 | $12 | $0.2 | 1.1M | Supported |
| Cortecs | $2.2 | $13.199 | $0.219 | 1.1M | — |
| Abacus | $2.5 | $15 | $0.25 | 1.0M | — |
| AIHubMix | $2.5 | $15 | $0.25 | 1.1M | — |
| AI-ROUTER | $2.5 | $15 | $0.25 | 1.1M | — |
| Azure Cognitive Services | $2.5 | $15 | $0.25 | 1.1M | — |
| Databricks | $2.5 | $15 | $0.25 | 1.1M | — |
| OpenCode Zen | $2.5 | $15 | $0.25 | 1.1M | — |
| Pioneer | $2.5 | $15 | $0.25 | 1.1M | — |
| SAP AI Core | $2.5 | $15 | $0.25 | 1.1M | — |
| Venice AI | $2.5 | $15 | $0.25 | 1.0M | — |
| Vivgrid | $2.5 | $15 | $0.25 | 1.1M | — |
| ZenMux | $2.5 | $15 | $0.25 | 1.1M | — |
| Snowflake Cortex | — | — | — | 1.1M | — |
GPT-5.6 Terra — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare GPT-5.6 Terra With
GPT-5.6 Terra — Frequently Asked Questions
How much does GPT-5.6 Terra cost?
GPT-5.6 Terra costs $2.0 per 1M input tokens and $12.0 per 1M output tokens. This is mid-range pricing for its capability level.
What is the context window of GPT-5.6 Terra?
GPT-5.6 Terra has a context window of 1.1M tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created GPT-5.6 Terra?
GPT-5.6 Terra was created by OpenAI. It is classified as a mid model in our catalogue.
Is GPT-5.6 Terra open source?
No, GPT-5.6 Terra is a proprietary model. It is available through OpenAI's API and compatible providers.