Kimi K3.1 ProvsGPT-6 Astra (xhigh)
Kimi K3.1 Pro leads the overall Podium Score by 7.2 points (94.2 vs 87.0).Category wins: Kimi K3.1 Pro 3 — 0 GPT-6 Astra (xhigh).Kimi K3.1 Pro is the cheaper pick ($20/M vs $50/M per 1M output tokens). GPT-6 Astra (xhigh) is faster (76 t/s vs 45 t/s).
Kimi K3.1 ProDrag slider or hover to compareGPT-6 Astra (xhigh)
Quick VerdictAggregated 2026 Benchmark Analysis
Kimi K3.1 Pro is rated higher overall with a Podium Score of 94.2 (vs 87.0 for GPT-6 Astra (xhigh)). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 3 of 7 benchmark categories.
Coding & Engineering
Kimi K3.1 Pro (72.0)
Inference Speed
GPT-6 Astra (xhigh) (76 t/s)
Cost Efficiency
Kimi K3.1 Pro ($20/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — GPT-6 Astra (xhigh) $10/M · $50/M
Choose Kimi K3.1 Pro for complex reasoning and analysis, and GPT-6 Astra (xhigh) for low-latency applications.
| Metric | Kimi K3.1 Pro | GPT-6 Astra (xhigh) |
|---|---|---|
| Podium Score | 94.2 ▲ | 87.0 |
| Arena Elo | 1490 | — |
| Intelligence Index | 68.0 | — |
| Coding | 72.0 ▲ | 60.0 |
| Math | 95.0 | — |
| Reasoning | 98.0 ▲ | 90.0 |
| Agentic | 82.0 | — |
| Knowledge | 45.0 | 45.0 |
| Multimodal | 96.0 ▲ | 95.0 |
| Long-context | 100.0 | — |
| Output speed | 45 t/s | 76 t/s ▲ |
| Output price | $20/M ▲ | $50/M |
| Context window | 1000K | 1100K ▲ |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K3.1 Pro vs Claude Mythos · Kimi K3.1 Pro vs Claude 5.5 Sonnet · Kimi K3.1 Pro vs Eleven Multilingual v3 · Kimi K3.1 Pro vs FLUX.2 Pro