LLaMA 3.1 vs Kimi K2 Thinking
Meta LLaMA 3.1 | Moonshot AI Kimi K2 Thinking | |
|---|---|---|
| Overview | ||
| Company | Meta | Moonshot AI |
| Release date | Jul 23 2024 | Nov 6 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 256k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 14% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 71.3% |
| Timeline | ||
| Release gap | LLaMA 3.1 shipped 471 days before Kimi K2 Thinking | |
Which is better: LLaMA 3.1 or Kimi K2 Thinking?
LLaMA 3.1 and Kimi K2 Thinking don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.1 shipped 471 days before Kimi K2 Thinking, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — LLaMA 3.1 and Kimi K2 Thinking don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 3.1 was released by Meta on Jul 23 2024.
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.
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