GPT-5.6 Luna vs GPT-5.6 Sol
GPT-5.6 Luna is about 25.0× cheaper than GPT-5.6 Sol on blended token cost ($0.45 vs $11.25 per 1M). GPT-5.6 Luna (OpenAI) is $0.45/1M blended, 1.1M context. GPT-5.6 Sol (OpenAI) is $11.25/1M blended, 1.1M context.
Last verified: 13 Aug 2026 · prices from official provider documentation
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| Spec | GPT-5.6 Luna | GPT-5.6 Sol |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Status | GA | GA |
| Input $/1M | $0.2 ◎ | $5 |
| Output $/1M | $1.20 ◎ | $30 |
| Blended $/1M | $0.45 ◎ | $11.25 |
| Context | 1.1M | 1.1M |
| Max output | 128K | 128K |
| Cutoff | 2026-02-16 | 2026-02-16 |
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