Nous Research model product
Hermes 3 405B
1 405B for roleplaying, reasoning, conversation, function calling, structured output, assistant tasks, and code generation.
Updated Oct 23, 2026. Default version: Hermes 3 405B
LLMBoard Score5.9Hermes 3 405B
Coverage20%13 benchmark families
Context window131.1KTokens
Official input priceN/AOfficial price unavailable
Hermes 3 405B Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Hermes 3 405B Benchmark Results
Benchmark scores for Hermes 3 405B.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkBoolQ | Score88.93% | Rank01 | Participants11 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkPIQA | Score85.96% | Rank02 | Participants12 | Percentile90.91% | EvidenceC | Evaluated |
| BenchmarkWinogrande | Score86.27% | Rank02 | Participants23 | Percentile95.45% | EvidenceC | Evaluated |
| BenchmarkAGIEval | Score61.84% | Rank03 | Participants11 | Percentile80.00% | EvidenceC | Evaluated |
| BenchmarkARC-E | Score86.24% | Rank03 | Participants9 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkMuSR | Score48.26% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkHellaSwag | Score90.19% | Rank04 | Participants28 | Percentile88.89% | EvidenceC | Evaluated |
| BenchmarkMT-Bench | Score89.30% | Rank05 | Participants13 | Percentile66.67% | EvidenceC | Evaluated |
| BenchmarkOpenBookQA | Score48.80% | Rank06 | Participants6 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkBBH | Score75.37% | Rank11 | Participants13 | Percentile16.67% | EvidenceC | Evaluated |
| BenchmarkARC-C | Score69.45% | Rank23 | Participants35 | Percentile35.29% | EvidenceC | Evaluated |
| BenchmarkMMLU | Score85.02% | Rank45 | Participants103 | Percentile56.86% | EvidenceC | Evaluated |
| BenchmarkMMLU-Pro | Score54.14% | Rank121 | Participants142 | Percentile14.89% | EvidenceC | Evaluated |
Hermes 3 405B Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
Hermes 3 405B Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- N/A
- Official provider
- N/A
- Lowest third-party
- N/A
- Tracked offerings
- 0
No provider prices
The default version has no current input or output token prices.
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Hermes 3 405B Runtime Performance
Provider-specific output speed and catalog latency for Hermes 3 405B. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Hermes 3 405B Specifications
Technical details for the model's default version.
- Version
- Hermes 3 405B
- Released
- Oct 9, 2024
- Knowledge cutoff
- Unknown
- Parameters
- 405B
- Context window
- 131.1K
- Max output
- 131.1K
- Inputs
- text
- Outputs
- text
- Open weights
- Yes
- License
- Apache 2.0
Hermes 3 405B Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionHermes 3 405B | Released | LLMBoard5.89 | Parameters405B | Context131.1K | Max output131.1K | Open weightsYes | LicenseApache 2.0 |
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What is Hermes 3 405B?
Key information about Hermes 3 405B and its available data.
1 405B foundation model. It supports roleplaying, reasoning, conversation, function calling, structured output, generalist assistant tasks, and code generation.
Data as of 2026-10-22.
FAQ
Common questions about Hermes 3 405B.
When was Hermes 3 405B released?
Hermes 3 405B's default version was released on Oct 9, 2024.
How much does Hermes 3 405B cost?
No official standard PAYG price is currently available for Hermes 3 405B.
Who created Hermes 3 405B?
Hermes 3 405B was created by Nous Research.
What is the context window for Hermes 3 405B?
The default version has a 131.1K token context window.
Is Hermes 3 405B open weight?
Yes. The default version is marked as open weight under Apache 2.0.
How many API providers offer Hermes 3 405B?
No provider offering is currently linked to the default version.