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

Comparing Claude Mythos Preview and LFM2.5-VL-3B across benchmarks, pricing, and capabilities.

Anthropic · Liquid AI · Updated for 2026

Which is better?

Claude Mythos Preview and LFM2.5-VL-3B trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Claude Mythos Preview

  • you want predictable pricing at $25.00/M input and $125.00/M output

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 Preview
Anthropic
LFM2.5-VL-3B
Liquid AI
Benchmark wins
—
—
Input price
$25.00 / M
— / M
Output price
$125.00 / M
— / M
Context window
—
—
Released
—
Aug 2026
License
Proprietary
LFM Open License v1.0

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Mythos Preview and LFM2.5-VL-3Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Input Capabilities

Supported data types and modalities

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

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

Claude Mythos Preview

Text
Images
Audio
Video

LFM2.5-VL-3B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos Preview 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 Preview

Proprietary

Closed source

LFM2.5-VL-3B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

LFM2.5-VL-3B was released on 2026-08-12, while Claude Mythos Preview's release date is not specified.

We can confirm LFM2.5-VL-3B's release timeline, but cannot make a direct age comparison without Claude Mythos Preview's release date.

Claude Mythos Preview

—

LFM2.5-VL-3B

Aug 12, 2026

1 weeks 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

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

FAQ

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

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

Claude Mythos Preview (Anthropic) and LFM2.5-VL-3B (Liquid AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

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

Claude Mythos Preview scores CyBench: 100.0%, USAMO25: 97.6%, GPQA: 94.6%, SWE-Bench Verified: 93.9%, CharXiv-R: 93.2%. LFM2.5-VL-3B scores DocVQA: 91.1%, POPE: 88.7%, RefCOCO-avg: 87.9%, TextVQA: 84.3%, OCRBench: 84.2%.

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

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

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

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

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