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Claude Mythos 5.2 vs LFM2.5-VL-3B

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 3.0.

Anthropic · Liquid AI · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 3.0, ranking #2 overall.

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

Choose Claude Mythos 5.2

  • overall performance matters — it scores 59.6 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Nov 2026

Choose LFM2.5-VL-3B

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
LFM2.5-VL-3B
Liquid AI
Core performance indexes
LLM Stats Score
59.6
#2
3.0
#353
Reasoning
53.3
#8
-2.4
#373
Agents
44.6
#2
-3.4
#221
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
— / M
Output price
$40.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos 5.2
LFM2.5-VL-3B
Vision
31.5#33
1.0#209
Multimodal
31.7#29
3.0#168
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 23 for LFM2.5-VL-3B

No common benchmarks found

Claude Mythos 5.2 and LFM2.5-VL-3Bdon'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

Context Window

Maximum input and output token capacity

Only Claude Mythos 5.2 specifies input context (1,000,000 tokens). Only Claude Mythos 5.2 specifies output context (128,000 tokens).

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
Liquid AI
LFM2.5-VL-3B
Input- tokens
Output- tokens
Wed Nov 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and LFM2.5-VL-3B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Mythos 5.2

Text
Images
Audio
Video

LFM2.5-VL-3B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos 5.2 is licensed under a proprietary license, while LFM2.5-VL-3B uses LFM Open License v1.0.

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

Claude Mythos 5.2

Proprietary

Closed source

LFM2.5-VL-3B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while LFM2.5-VL-3B was released on 2026-08-12.

Claude Mythos 5.2 is 3 months newer than LFM2.5-VL-3B.

Claude Mythos 5.2

Nov 9, 2026

1 days ago

2mo newer
LFM2.5-VL-3B

Aug 12, 2026

3 months ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while LFM2.5-VL-3B's cutoff date is not specified.

We can confirm Claude Mythos 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without LFM2.5-VL-3B's cutoff date.

Claude Mythos 5.2

Jun 2026

LFM2.5-VL-3B

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Mythos 5.2 and LFM2.5-VL-3B side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
LFM2.5-VL-3B
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs LFM2.5-VL-3B.

Which is better, Claude Mythos 5.2 or LFM2.5-VL-3B?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 3.0. Claude Mythos 5.2 is made by Anthropic and LFM2.5-VL-3B is made by Liquid AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Mythos 5.2 compare to LFM2.5-VL-3B in benchmarks?

Claude Mythos 5.2 scores De novo protein binder design: 85.1%, Biomedical image analysis: 80.7%, Protocols Troubleshooting: 77.1%, Terminal-Bench-Science 0.1: 75.3%, Terminal-Bench 4.0: 70.5%. LFM2.5-VL-3B scores DocVQA: 91.1%, POPE: 88.7%, RefCOCO-avg: 87.9%, TextVQA: 84.3%, OCRBench: 84.2%.

What are the context window sizes for Claude Mythos 5.2 and LFM2.5-VL-3B?

Claude Mythos 5.2 supports 1.0M tokens and LFM2.5-VL-3B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Mythos 5.2 and LFM2.5-VL-3B?

Key differences include LLM Stats Score (59.6 vs 3.0), licensing (Proprietary vs LFM Open License v1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and LFM2.5-VL-3B?

Claude Mythos 5.2 is developed by Anthropic and LFM2.5-VL-3B is developed by Liquid AI.

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