Grok 4.20 0309 Reasoning vs MiniMax M3.1 Flash
Price, context window & benchmark comparison
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Verdict: MiniMax M3.1 Flash is 6.0× cheaper than Grok 4.20 0309 Reasoning on a typical 3:1 input/output mix. MiniMax M3.1 Flash has the larger context window (1M vs 1M).
| Grok 4.20 0309 Reasoning | MiniMax M3.1 Flash | |
|---|---|---|
| Input price / 1M | $1.25 | $0.15 |
| Output price / 1M | $2.50 | $0.60 |
| Blended price (3:1) | $1.56 | $0.26 |
| Cached input / 1M | $0.20 | $0.015 |
| Context window | 1M | 1M |
| Max output | 30K | 524K |
| Intelligence index | — | 28.9 |
| Coding index | — | — |
| Providers | — | 14 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-16 | 2026-10-19 |
| Retirement | — | — |
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FAQ
Which is cheaper, Grok 4.20 0309 Reasoning or MiniMax M3.1 Flash?
MiniMax M3.1 Flash is 6.0× cheaper than Grok 4.20 0309 Reasoning on a typical 3:1 input/output mix.
Grok 4.20 0309 Reasoning vs MiniMax M3.1 Flash: which has a bigger context window?
Grok 4.20 0309 Reasoning: 1,000,000 tokens. MiniMax M3.1 Flash: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Grok 4.20 0309 Reasoning ≈ $3,750, MiniMax M3.1 Flash ≈ $600.00.
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