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. | 8B/70B/405B | 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. | 128k | 1M |
| API pricingUSD per 1M tokens · lower wins | ||
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | $0.02DeepInfra | — |
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input. | $0.04DeepInfra | — |
| $6.00DeepInfra · fp8 | — | |
| These models have no shared benchmark scores. | ||
BullshitBench v2Nonsense detection — Given 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% | — |
| Overview | ||
| Company | Meta | Moonshot AI |
| Release date | Jul 23 2024 | Oct 23 2026 |
| Access | Open Weight | Closed |
| Model details | View model | View model |
Other comparisons
LLaMA 3.1vsClaude Haiku 5.5Kimi K3.1 Pro HighspeedvsClaude Haiku 5.5LLaMA 3.1vsGPT-6.1 SolKimi K3.1 Pro HighspeedvsGPT-6.1 SolLLaMA 3.1vsGemini 4 ArgonKimi K3.1 Pro HighspeedvsGemini 4 ArgonLLaMA 3.1vsGrok 4.7Kimi K3.1 Pro HighspeedvsGrok 4.7LLaMA 3.1vsDeepSeek-V4.1-Flash-1017Kimi K3.1 Pro HighspeedvsDeepSeek-V4.1-Flash-1017LLaMA 3.1vsMistral Large 4Kimi K3.1 Pro HighspeedvsMistral Large 4Frequently asked questions
LLaMA 3.1 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. LLaMA 3.1 shipped 822 days before Kimi K3.1 Pro Highspeed, so benchmark comparisons should account for the intervening progress.
LLaMA 3.1 has 8B/70B/405B parameters, while Kimi K3.1 Pro Highspeed has 2.8T. Context windows are 128k (LLaMA 3.1) vs 1M (Kimi K3.1 Pro Highspeed). LLaMA 3.1 is open weight, while Kimi K3.1 Pro Highspeed is closed.
Direct benchmark comparisons are unavailable — LLaMA 3.1 and Kimi K3.1 Pro Highspeed don't publish scores on any of the same benchmarks.