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Claude Fable 5.1 vs Hermes 3 70B

Claude Fable 5.1 leads the LLM Stats Score 56.3 to 4.1. Hermes 3 70B is 28.6x cheaper per token.

Anthropic · Nous Research · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 56.3 to 4.1, ranking #2 overall.

On price, Hermes 3 70B is roughly 28.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Fable 5.1 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Fable 5.1

  • overall performance matters — it scores 56.3 and ranks #2 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Hermes 3 70B

  • cost matters — it's about 28.6x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
Hermes 3 70B
Nous Research
Core performance indexes
LLM Stats Score
56.3
#2
4.1
#302
Reasoning
53.3
#5
1.4
#311
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
$0.70 / M
Output price
$50.00 / M
$0.70 / M
Context window
1,000,000
131,072

Individual benchmarks

7 reported for Claude Fable 5.1 · 17 for Hermes 3 70B

No common benchmarks found

Claude Fable 5.1 and Hermes 3 70Bdon'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 70B costs less

For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 14.3x more expensive than Hermes 3 70B ($0.70/1M tokens).

For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 71.4x more expensive than Hermes 3 70B ($0.70/1M tokens).

In conclusion, Claude Fable 5.1 is more expensive than Hermes 3 70B.*

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

Lowest available price from all providers
Tue Sep 08 2026 • llm-stats.com
Anthropic
Claude Fable 5.1
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Nous Research
Hermes 3 70B
Input tokens$0.70
Output tokens$0.70
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Fable 5.1 accepts 1,000,000 input tokens compared to Hermes 3 70B's 131,072 tokens. Hermes 3 70B can generate longer responses up to 131,072 tokens, while Claude Fable 5.1 is limited to 128,000 tokens.

Anthropic
Claude Fable 5.1
Input1,000,000 tokens
Output128,000 tokens
Nous Research
Hermes 3 70B
Input131,072 tokens
Output131,072 tokens
Tue Sep 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Fable 5.1 supports multimodal inputs, whereas Hermes 3 70B does not.

Claude Fable 5.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Fable 5.1

Text
Images
Audio
Video

Hermes 3 70B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while Hermes 3 70B uses Apache 2.0.

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

Claude Fable 5.1

Proprietary

Closed source

Hermes 3 70B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Hermes 3 70B was released on 2024-08-15.

Claude Fable 5.1 is 25 months newer than Hermes 3 70B.

Claude Fable 5.1

Sep 1, 2026

1 weeks ago

2.0yr newer
Hermes 3 70B

Aug 15, 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

Claude Fable 5.1 is available from Anthropic. Hermes 3 70B is available from DeepInfra.

Claude Fable 5.1

anthropic logo
Anthropic
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Hermes 3 70B

deepinfra logo
Deepinfra
Input Price:Input: $0.70/1MOutput Price:Output: $0.70/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and Hermes 3 70B side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
Hermes 3 70B
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Hermes 3 70B.

Which is better, Claude Fable 5.1 or Hermes 3 70B?

Claude Fable 5.1 leads the LLM Stats Score 56.3 to 4.1. Claude Fable 5.1 is made by Anthropic and Hermes 3 70B is made by Nous Research. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Fable 5.1 compare to Hermes 3 70B in benchmarks?

Claude Fable 5.1 scores OSWorld 2.0: 77.9%, CursorBench v3.2: 73.4%, Humanity's Last Exam: 65.0%, GDPval-AA: 61.8%, Terminal-Bench 4.0: 55.8%. Hermes 3 70B scores MT-Bench: 89.9%, HellaSwag: 88.2%, BoolQ: 88.0%, PIQA: 84.4%, Winogrande: 83.2%.

Is Claude Fable 5.1 cheaper than Hermes 3 70B?

Hermes 3 70B is 14.3x cheaper for input tokens. Claude Fable 5.1 costs $10.00/M input and $50.00/M output via anthropic. Hermes 3 70B costs $0.70/M input and $0.70/M output via deepinfra.

What are the context window sizes for Claude Fable 5.1 and Hermes 3 70B?

Claude Fable 5.1 supports 1.0M tokens and Hermes 3 70B 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 Claude Fable 5.1 and Hermes 3 70B?

Key differences include LLM Stats Score (56.3 vs 4.1), context window (1.0M vs 131K), input pricing ($10.00 vs $0.70/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and Hermes 3 70B?

Claude Fable 5.1 is developed by Anthropic and Hermes 3 70B is developed by Nous Research.

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