Claude Mythos 5.1 vs Llama 3.2 11B Instruct
Claude Mythos 5.1 leads the LLM Stats Score 45.1 to -1.2. Llama 3.2 11B Instruct is 400.0x cheaper per token.
Anthropic · Meta · Updated for 2026
Which is better?
Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to -1.2, ranking #31 overall.
On price, Llama 3.2 11B Instruct is roughly 400.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Mythos 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 Mythos 5.1
- overall performance matters — it scores 45.1 and ranks #31 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 Llama 3.2 11B Instruct
- cost matters — it's about 400.0x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
1 reported for Claude Mythos 5.1 · 11 for Llama 3.2 11B Instruct
Claude Mythos 5.1 and Llama 3.2 11B Instructdon'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
For input processing, Claude Mythos 5.1 ($10.00/1M tokens) is 200.0x more expensive than Llama 3.2 11B Instruct ($0.05/1M tokens).
For output processing, Claude Mythos 5.1 ($50.00/1M tokens) is 1000.0x more expensive than Llama 3.2 11B Instruct ($0.05/1M tokens).
In conclusion, Claude Mythos 5.1 is more expensive than Llama 3.2 11B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Mythos 5.1 accepts 1,000,000 input tokens compared to Llama 3.2 11B Instruct's 128,000 tokens. Both models can generate responses up to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Mythos 5.1 and Llama 3.2 11B Instruct support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Mythos 5.1
Llama 3.2 11B Instruct
License
Usage and distribution terms
Claude Mythos 5.1 is licensed under a proprietary license, while Llama 3.2 11B Instruct uses Llama 3.2 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Llama 3.2 Community License
Open weights
Release Timeline
When each model was launched
Claude Mythos 5.1 was released on 2026-09-01, while Llama 3.2 11B Instruct was released on 2024-09-25.
Claude Mythos 5.1 is 24 months newer than Llama 3.2 11B Instruct.
Sep 1, 2026
1 weeks ago
1.9yr newerSep 25, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
Llama 3.2 11B Instruct has a documented knowledge cutoff of 2023-12-31, while Claude Mythos 5.1's cutoff date is not specified.
We can confirm Llama 3.2 11B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without Claude Mythos 5.1's cutoff date.
—
Dec 2023
Provider Availability
Claude Mythos 5.1 is available from Anthropic. Llama 3.2 11B Instruct is available from DeepInfra, Sambanova, Bedrock, Groq, Together, Fireworks.
Claude Mythos 5.1
Llama 3.2 11B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Mythos 5.1 and Llama 3.2 11B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Mythos 5.1 vs Llama 3.2 11B Instruct.