Claude Mythos 5.1 vs Gemma 3n E4B Instructed
Claude Mythos 5.1 leads the LLM Stats Score 45.1 to -4.7. Claude Mythos 5.1 is 1.3x cheaper per token.
Anthropic · Google · Updated for 2026
Which is better?
Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to -4.7, ranking #33 overall.
On price, Claude Mythos 5.1 is roughly 1.3x 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 #33 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 1.3x cheaper per token
- 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 Gemma 3n E4B Instructed
- you want predictable pricing at $20.00/M input and $40.00/M output
At a glance
The differences that matter most.
Individual benchmarks
1 reported for Claude Mythos 5.1 · 18 for Gemma 3n E4B Instructed
Claude Mythos 5.1 and Gemma 3n E4B Instructeddon'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 2.0x cheaper than Gemma 3n E4B Instructed ($20.00/1M tokens).
For output processing, Claude Mythos 5.1 ($50.00/1M tokens) is 1.3x more expensive than Gemma 3n E4B Instructed ($40.00/1M tokens).
In conclusion, Gemma 3n E4B Instructed is more expensive than Claude Mythos 5.1.*
* 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 Gemma 3n E4B Instructed's 32,000 tokens. Claude Mythos 5.1 can generate longer responses up to 128,000 tokens, while Gemma 3n E4B Instructed is limited to 32,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Mythos 5.1 and Gemma 3n E4B Instructed support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Mythos 5.1
Gemma 3n E4B Instructed
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Mythos 5.1 was released on 2026-09-01, while Gemma 3n E4B Instructed was released on 2025-06-26.
Claude Mythos 5.1 is 14 months newer than Gemma 3n E4B Instructed.
Sep 1, 2026
2 weeks ago
1.2yr newerJun 26, 2025
1.2 years ago
Knowledge Cutoff
When training data ends
Gemma 3n E4B Instructed has a documented knowledge cutoff of 2024-06-01, while Claude Mythos 5.1's cutoff date is not specified.
We can confirm Gemma 3n E4B Instructed's training data extends to 2024-06-01, but cannot make a direct comparison without Claude Mythos 5.1's cutoff date.
—
Jun 2024
Provider Availability
Claude Mythos 5.1 is available from Anthropic. Gemma 3n E4B Instructed is available from Together.
Claude Mythos 5.1
Gemma 3n E4B Instructed
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Mythos 5.1 and Gemma 3n E4B Instructed side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Mythos 5.1 vs Gemma 3n E4B Instructed.