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GPT-6 Rosalind vs Hermes 3 405B

Comparing GPT-6 Rosalind and Hermes 3 405B across benchmarks, pricing, and capabilities.

OpenAI · Nous Research · Updated for 2026

Which is better?

GPT-6 Rosalind and Hermes 3 405B trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Hermes 3 405B is roughly 30.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-6 Rosalind

  • you want the most recent training data — it shipped Oct 2026

Choose Hermes 3 405B

  • cost matters — it's about 30.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Benchmark wins
—
—
Input price
$15.00 / M
$1.00 / M
Output price
$75.00 / M
$1.00 / M
Context window
—
131,072

Individual benchmarks

0 reported for GPT-6 Rosalind · 13 for Hermes 3 405B

No common benchmarks found

GPT-6 Rosalind and Hermes 3 405Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Hermes 3 405B costs less

For input processing, GPT-6 Rosalind ($15.00/1M tokens) is 15.0x more expensive than Hermes 3 405B ($1.00/1M tokens).

For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 75.0x more expensive than Hermes 3 405B ($1.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than Hermes 3 405B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Nov 10 2026 • llm-stats.com
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
Nous Research
Hermes 3 405B
Input tokens$1.00
Output tokens$1.00
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Hermes 3 405B specifies input context (131,072 tokens). Only Hermes 3 405B specifies output context (131,072 tokens).

OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
Nous Research
Hermes 3 405B
Input131,072 tokens
Output131,072 tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Rosalind supports multimodal inputs, whereas Hermes 3 405B does not.

GPT-6 Rosalind can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6 Rosalind

Text
Images
Audio
Video

Hermes 3 405B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Rosalind is licensed under a proprietary license, while Hermes 3 405B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-6 Rosalind

Proprietary

Closed source

Hermes 3 405B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-6 Rosalind was released on 2026-10-30, while Hermes 3 405B was released on 2024-10-09.

GPT-6 Rosalind is 25 months newer than Hermes 3 405B.

GPT-6 Rosalind

Oct 30, 2026

1 weeks ago

2.1yr newer
Hermes 3 405B

Oct 9, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GPT-6 Rosalind is available from OpenAI. Hermes 3 405B is available from DeepInfra.

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Hermes 3 405B

deepinfra logo
Deepinfra
Input Price:Input: $1.00/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Rosalind and Hermes 3 405B side-by-side, then vote on the output you prefer.

GPT-6 Rosalind
✓ Preferred
Hermes 3 405B
Open in Playground

FAQ

Common questions about GPT-6 Rosalind vs Hermes 3 405B.

Which is better, GPT-6 Rosalind or Hermes 3 405B?

GPT-6 Rosalind (OpenAI) and Hermes 3 405B (Nous Research) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-6 Rosalind compare to Hermes 3 405B in benchmarks?

Hermes 3 405B scores HellaSwag: 90.2%, MT-Bench: 89.3%, BoolQ: 88.9%, Winogrande: 86.3%, ARC-E: 86.2%.

Is GPT-6 Rosalind cheaper than Hermes 3 405B?

Hermes 3 405B is 15.0x cheaper for input tokens. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai. Hermes 3 405B costs $1.00/M input and $1.00/M output via deepinfra.

What are the context window sizes for GPT-6 Rosalind and Hermes 3 405B?

GPT-6 Rosalind supports an unknown number of tokens and Hermes 3 405B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Rosalind and Hermes 3 405B?

Key differences include input pricing ($15.00 vs $1.00/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Rosalind and Hermes 3 405B?

GPT-6 Rosalind is developed by OpenAI and Hermes 3 405B is developed by Nous Research.