Gemma 4 31B vs Kimi K3.1 Pro
Price, context window & benchmark comparison
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Verdict: Gemma 4 31B is 16.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Kimi K3.1 Pro scores higher on the Artificial Analysis Intelligence Index (46.5 vs 4.4). Kimi K3.1 Pro has the larger context window (1M vs 262K).
| Gemma 4 31B | Kimi K3.1 Pro | |
|---|---|---|
| Input price / 1M | $0.20 | $2.00 |
| Output price / 1M | $0.40 | $10.00 |
| Blended price (3:1) | $0.25 | $4.00 |
| Cached input / 1M | — | $0.20 |
| Context window | 262K | 1M |
| Max output | 16K | 944K |
| Intelligence index | 4.4 | 46.5 |
| Coding index | 43.4 | — |
| Providers | — | 23 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-02 | 2026-10-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, Gemma 4 31B or Kimi K3.1 Pro?
Gemma 4 31B is 16.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.
Gemma 4 31B vs Kimi K3.1 Pro: which has a bigger context window?
Gemma 4 31B: 262,144 tokens. Kimi K3.1 Pro: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemma 4 31B ≈ $600.00, Kimi K3.1 Pro ≈ $9,000.
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