Compare GPT-5.6 Luna from OpenAI and Qwen3.7 Flash from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


GPT-5.6 Luna and Qwen3.7 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-5.6 Luna, from OpenAI, has a 1,050,000-token context window and is priced at $0.20/M tokens input, $1.20/M tokens output on OpenRouter.
Qwen3.7 Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.03/M tokens input, $0.13/M tokens output on OpenRouter.
| Attribute | GPT-5.6 Luna | Qwen3.7 Flash |
|---|---|---|
| Input price | $0.20/M tokens | $0.03/M tokens |
| Output price | $1.20/M tokens | $0.13/M tokens |
| Context window | 1,050,000 tokens | 1,000,000 tokens |
| Intelligence Index | 37.3 | Not available |
| Coding Index | 71.4 | Not available |
| Agentic Index | 42.1 | Not available |
| Latency (p50) | 2.51 s | 0.83 s |
| Throughput (p50) | 56.0 tok/s | 53.0 tok/s |
Benchmark data updated
GPT-5.6 Luna has the longer context window at 1,050,000 tokens, compared with 1,000,000 tokens for Qwen3.7 Flash.
GPT-5.6 Luna is faster on OpenRouter, generating a median 56.0 tokens per second compared with 53.0 tokens per second for Qwen3.7 Flash.