Hermes 4 405B
Hermes 4 405B is a frontier hybrid-mode reasoning model built on Llama 3.1, optimized for advanced logic, math, coding, and structured output generation.
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestNousResearch/hermes-4-405b | NanoGPT | $0.3 | $1.20 | $0.15 | 128K |
| models.devcheapestNousResearch/hermes-4-405b:thinking | NanoGPT | $0.3 | $1.20 | $0.15 | 128K |
| models.devhermes-4-405b | Cortecs | $0.996 | $2.99 | $0 | 128K |
| models.devnousresearch/hermes-4-405b | Kilo Gateway | $1 | $3 | $0.2 | 131K |
| models.devNousResearch/Hermes-4-405B | Nebius | $1 | $3 | $1 | 131K |
| OpenRouternousresearch/hermes-4-405b | OpenRouter | $1 | $3 | $0.2 | 131K |
| LiteLLMHermes-4-405B | N/A | $1 | $3 | $0.1 | N/A |
| LiteLLMNousResearch/Hermes-4-405B | N/A | $1 | $3 | $0.1 | N/A |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Open weights
- In: text
- Out: text
Scores
Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Hover or tap the i next to any score for its source. Full boards on /benchmarks.
Arena rows are community-vote Elo from Arena AI, Artificial Analysis indices arrive via OpenRouter, and launch-eval figures are collected from vendor announcements, analyst writeups, and community benchmarks. Full boards and credits on /benchmarks.
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