Kimi K3 vs MiniMax-M3
Kimi K3 (Moonshot) and MiniMax-M3 (MiniMax) compared on benchmarks, pricing, context window, and use-case rankings.
- Kimi K3 leads on overall intelligence (ECI 158 vs 147).
- MiniMax-M3 is cheaper on input tokens — $0.28 vs $2.10 per 1M.
- Kimi K3 ranks higher for coding (97th vs 59th percentile).
| Attribute | Kimi K3 | MiniMax-M3 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 158 | 147 |
| Coding | 97 | 59 |
| Math | 80 | 9 |
| Reasoning & Knowledge | 73 | 52 |
| Agentic & Tools | 80 | 53 |
| Specifications | ||
| Developer | Moonshot | MiniMax |
| Family | Kimi | MiniMax |
| Released | Jul 16, 2026 | Jun 1, 2026 |
| Parameters | 2.8T | 428B |
| Availability | Open weights (non-commercial) | Open weights (restricted use) |
| Context window | 1M | 1M |
| Price — $/M input | $2.10 | $0.28 |
| Price — $/M output | $10.95 | $1.10 |
| Inputs | text, image, video | text, image, video |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 97% | 71% |
| APEX | 39% | — |
| ARC-AGI | 95% | — |
| ARC-AGI-2 | 60% | — |
| GPQA Diamond | 93% | 91% |
| Humanity's Last Exam | 47% | 39% |
| SciCode | 60% | 47% |
| SimpleBench | 61% | 46% |
| SimpleQA Verified | 51% | — |
| WebDev Arena | 1674 | 1488 |
| WeirdML | 83% | — |
| τ²-bench | — | 89% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Kimi K3 better than MiniMax-M3?
On Epoch AI's Capabilities Index, Kimi K3 scores higher (158) than MiniMax-M3 (147). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, Kimi K3 or MiniMax-M3?
MiniMax-M3 is cheaper on input tokens at $0.28 per million, versus $2.10 (representative OpenRouter pricing).
Which has a larger context window, Kimi K3 or MiniMax-M3?
Kimi K3 supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, Kimi K3 or MiniMax-M3?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 97th vs 59th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.