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. | 9k | 1M |
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Mar 14 2023 | Oct 23 2026 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
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Claude 1 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 1 shipped 1319 days before Kimi K3.1 Pro Highspeed, so benchmark comparisons should account for the intervening progress.
Context windows are 9k (Claude 1) vs 1M (Kimi K3.1 Pro Highspeed).
Direct benchmark comparisons are unavailable — Claude 1 and Kimi K3.1 Pro Highspeed don't publish scores on any of the same benchmarks.