MiniMax M2.7 vs OpenAI GPT-5.6 Luna Pro
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- GPT-5.6 Luna Pro is 1.2× cheaper at a typical mix of 3 input tokens per output token.
- GPT-5.6 Luna Pro accepts longer prompts: 1M vs 205K tokens.
- GPT-5.6 Luna Pro is the newer model (released 2026-07-09).
| MiniMax M2.7 | GPT-5.6 Luna Pro | |
|---|---|---|
| Vendor | MiniMax | OpenAI |
| Released | 2026-03-18 | 2026-07-09 |
| Input / 1M | $0.30 | $0.20 |
| Output / 1M | $1.20 | $1.20 |
| Cached input / 1M | $0.06 | $0.02 |
| Blended / 1M (3:1) | $0.525 | $0.45 |
| Context | 205K | 1M |
| Max output | 131K | 128K |
| Accepts | text | text, image, file |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 6 | 5 |
| Cheapest provider, output | $0.84 | $1.20 |
| Best provider uptime, 24 h | 99.58% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
MiniMax M2.7
$36.00 per month$1.20 per day
GPT-5.6 Luna Pro
$30.00 per month$1.00 per day
GPT-5.6 Luna Pro saves $6.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare MiniMax M2.7 with
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