GPT-5.6 Luna by OpenAI demonstrates competitive pricing. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.
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 38 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 | — |
| Bothub | $0.06 | $0.37 | — | 1.1M | — |
| 302.AI | $0.2 | $1.2 | — | 1.1M | — |
| Azure | $0.2 | $1.2 | $0.02 | 1.1M | Supported |
| Cloudflare AI Gateway | $0.2 | $1.2 | $0.02 | 1.1M | — |
| CrossModel | $0.2 | $1.2 | $0.02 | 1.1M | — |
| DevPass (LLM Gateway) | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Eden AI | $0.2 | $1.2 | $0.02 | 1.1M | — |
| GitHub Copilot | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Impossibl | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Kilo Gateway | $0.2 | $1.2 | $0.02 | 1.1M | — |
| LLM Gateway | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Merge Gateway | $0.2 | $1.2 | $0.02 | 1.1M | — |
| NanoGPT | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Neon | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Ofox | $0.2 | $1.2 | $0.02 | 1.1M | — |
| OpenAI | $0.2 | $1.2 | $0.02 | 1.1M | Supported |
| OpenCode Go | $0.2 | $1.2 | $0.02 | 1.1M | — |
| OpenCode Zen | $0.2 | $1.2 | $0.02 | 1.1M | — |
| OpenRouter | $0.2 | $1.2 | $0.02 | 1.1M | Supported |
| Opper | $0.2 | $1.2 | $0.02 | 1.1M | — |
| OrcaRouter | $0.2 | $1.2 | $0.02 | 1.1M | — |
| Cortecs | $0.219 | $1.32 | $0.022 | 1.1M | — |
| Amazon Bedrock | $0.22 | $1.32 | $0.022 | 1.1M | Supported |
| Requesty | $0.22 | $1.32 | $0.022 | 1.1M | — |
| Venice AI | $0.25 | $1.5 | $0.025 | 1.0M | — |
| Vercel AI Gateway | $0.4 | $2.4 | $0.04 | 1.1M | Supported |
| routing.run | $0.7 | $4.2 | — | 1.0M | — |
| Abacus | $1 | $6 | $0.1 | 1.0M | — |
| AIHubMix | $1 | $6 | $0.1 | 1.1M | — |
| AI-ROUTER | $1 | $6 | $0.1 | 1.1M | — |
| Azure Cognitive Services | $1 | $6 | $0.1 | 1.1M | — |
| Databricks | $1 | $6 | $0.1 | 400K | — |
| Pioneer | $1 | $6 | $0.1 | 1.1M | — |
| SAP AI Core | $1 | $6 | $0.1 | 1.1M | — |
| Vivgrid | $1 | $6 | $0.1 | 1.1M | — |
| ZenMux | $1 | $6 | $0.1 | 1.1M | — |
| Snowflake Cortex | — | — | — | 1.1M | — |
GPT-5.6 Luna — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare GPT-5.6 Luna With
GPT-5.6 Luna — Frequently Asked Questions
How much does GPT-5.6 Luna cost?
GPT-5.6 Luna costs $0.20 per 1M input tokens and $1.2 per 1M output tokens. This makes it one of the more affordable models.
What is the context window of GPT-5.6 Luna?
GPT-5.6 Luna 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 Luna?
GPT-5.6 Luna was created by OpenAI. It is classified as a budget model in our catalogue.
Is GPT-5.6 Luna open source?
No, GPT-5.6 Luna is a proprietary model. It is available through OpenAI's API and compatible providers.