LLM Comparison
Hermes 4 405B vs Kimi K2 Thinking
Side-by-side specs, pricing & capabilities · Updated September 2026
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 65 42.0 | |
| Family | Hermes | Kimi |
| Status | Current | Current |
| Release Date | Aug 2025 | Nov 2025 |
| Context Window | 131K tokens | 262K tokens |
| Input Price | $1.00/M tokens | $0.60/M tokens |
| Output Price | $3.00/M tokens | $2.50/M tokens |
| Pricing Notes | — | Cache read: $0.1500/M tokens |
| Capabilities | textcode | textcodeextended-thinking |
| Max Output | — | 262K tokens |
| API Identifier | nousresearch/hermes-4-405b | moonshotai/kimi-k2-thinking |
| Benchmarks | ||
| GPQA | — | 84.5https://huggingface.co/moonshotai/Kimi-K2-Thinking |
| MMLU-Pro | — | 84.6https://huggingface.co/moonshotai/Kimi-K2-Thinking |
| GPQA Diamond | — | 83.8384artificial-analysis |
| AIME 2025 | — | 94.6667artificial-analysis |
| View Hermes 4 405B | View Kimi K2 Thinking | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Kimi K2 ThinkingCheapest | $0.60 | $1.25 | $1.85 | — |
| Hermes 4 405B | $1.00 | $1.50 | $2.50 | +35% |
Nous Research
Hermes 4 405B
Hermes 4 405B is a large language model from Nous Research. Supports up to 131,072 token context window. Available from $1.00/M input tokens.
Moonshot AI
Kimi K2 Thinking
Kimi K2 Thinking is a large language model from Moonshot AI. Supports up to 262,144 token context window. Available from $0.60/M input tokens.
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