GPT-5.6 Luna vs MiniMax M3
Price, context window & benchmark comparison
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Verdict: GPT-5.6 Luna is 14% cheaper than MiniMax M3 on a typical 3:1 input/output mix. GPT-5.6 Luna scores higher on the Artificial Analysis Intelligence Index (37.3 vs 29.2). GPT-5.6 Luna has the larger context window (1.1M vs 1M).
| GPT-5.6 Luna | MiniMax M3 | |
|---|---|---|
| Input price / 1M | $0.20 | $0.30 |
| Output price / 1M | $1.20 | $1.20 |
| Blended price (3:1) | $0.45 | $0.52 |
| Cached input / 1M | $0.02 | $0.06 |
| Context window | 1.1M | 1M |
| Max output | 128K | 512K |
| Intelligence index | 37.3 | 29.2 |
| Coding index | 71.4 | 58.6 |
| Providers | 7 | 13 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-09 | 2026-05-31 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-5.6 Luna or MiniMax M3?
GPT-5.6 Luna is 14% cheaper than MiniMax M3 on a typical 3:1 input/output mix.
GPT-5.6 Luna vs MiniMax M3: which has a bigger context window?
GPT-5.6 Luna: 1,050,000 tokens. MiniMax M3: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5.6 Luna ≈ $1,000, MiniMax M3 ≈ $1,200.
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