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GPT-5.6 Luna
by OpenAI · Language Models
Context 1050K tokensVisionReasoning / thinkingFunction calling
by OpenAI · Language Models
GPT-5.6 model optimized for cost-sensitive workloads. Luna is the fastest, most affordable GPT-5.6 tier—built for high-volume, latency-sensitive chat, classification, and lightweight agent work (the previous nano-class tier). 1.05M context window; reasoning effort from none to max.
from $1.554 / 1M tokens
| Usage | Rate (USD) | Unit |
|---|---|---|
| Input tokens | $0.26 | per 1M tokens |
| Cached input (cache hit) | $0.03 | per 1M tokens |
| Output tokens | $1.55 | per 1M tokens |
TuneRouter live platform pricing · currency: USD · pre-deduction settled by actual usage
OpenAI-compatible · base URL https://api.tunerouter.com/v1/
curl https://api.tunerouter.com/v1/chat/completions \
-H "Authorization: Bearer $TUNEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "gpt-5.6-luna", "messages": [{"role": "user", "content": "Hello!"}]}'Model ID: gpt-5.6-luna · works with OpenAI SDKs — just point base_url at api.tunerouter.com