Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 2.8T |
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 200k | 1M |
| These models have no shared benchmark scores. | ||
SWE-Bench VerifiedCoding — Real 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. | 49% | — |
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Oct 22 2024 | Oct 23 2026 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Claude 3.5 Sonnet (upgraded)vsGPT-6.1 SolKimi K3.1 Pro HighspeedvsGPT-6.1 SolClaude 3.5 Sonnet (upgraded)vsGemini 4 ArgonKimi K3.1 Pro HighspeedvsGemini 4 ArgonClaude 3.5 Sonnet (upgraded)vsMuse Spark OpenKimi K3.1 Pro HighspeedvsMuse Spark OpenClaude 3.5 Sonnet (upgraded)vsGrok 4.7Kimi K3.1 Pro HighspeedvsGrok 4.7Claude 3.5 Sonnet (upgraded)vsDeepSeek-V4.1-Flash-1017Kimi K3.1 Pro HighspeedvsDeepSeek-V4.1-Flash-1017Claude 3.5 Sonnet (upgraded)vsMistral Large 4Kimi K3.1 Pro HighspeedvsMistral Large 4Frequently asked questions
Claude 3.5 Sonnet (upgraded) and Kimi K3.1 Pro Highspeed don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 731 days before Kimi K3.1 Pro Highspeed, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 3.5 Sonnet (upgraded)) vs 1M (Kimi K3.1 Pro Highspeed).
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and Kimi K3.1 Pro Highspeed don't publish scores on any of the same benchmarks.