Grok 4.20 Multi-Agent vs Kimi K3.1 Pro
Price, context window & benchmark comparison
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Verdict: Grok 4.20 Multi-Agent is 2.6× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Grok 4.20 Multi-Agent has the larger context window (2M vs 1M).
| Grok 4.20 Multi-Agent | Kimi K3.1 Pro | |
|---|---|---|
| Input price / 1M | $1.25 | $2.00 |
| Output price / 1M | $2.50 | $10.00 |
| Blended price (3:1) | $1.56 | $4.00 |
| Cached input / 1M | $0.20 | $0.20 |
| Context window | 2M | 1M |
| Max output | 1.8M | 944K |
| Intelligence index | — | 46.5 |
| Coding index | — | — |
| Providers | — | 23 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Released | 2026-03-31 | 2026-10-23 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Grok 4.20 Multi-Agent or Kimi K3.1 Pro?
Grok 4.20 Multi-Agent is 2.6× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.
Grok 4.20 Multi-Agent vs Kimi K3.1 Pro: which has a bigger context window?
Grok 4.20 Multi-Agent: 2,000,000 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: Grok 4.20 Multi-Agent ≈ $3,750, Kimi K3.1 Pro ≈ $9,000.
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