The AI arena is free today

Open Superagent

GPT-5 Codex vs LFM2.5-VL-3B

Comparing GPT-5 Codex and LFM2.5-VL-3B across benchmarks, pricing, and capabilities.

OpenAI · Liquid AI · Updated for 2026

Which is better?

GPT-5 Codex 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 GPT-5 Codex

  • you are already invested in the OpenAI ecosystem

Choose LFM2.5-VL-3B

  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5 Codex
OpenAI
LFM2.5-VL-3B
Liquid AI
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—
Released
Sep 2025
Aug 2026
License
Proprietary
LFM Open License v1.0

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5 Codex 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

LFM2.5-VL-3B supports multimodal inputs, whereas GPT-5 Codex does not.

LFM2.5-VL-3B can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5 Codex

Text
Images
Audio
Video

LFM2.5-VL-3B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 Codex 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.

GPT-5 Codex

Proprietary

Closed source

LFM2.5-VL-3B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

GPT-5 Codex was released on 2025-09-15, while LFM2.5-VL-3B was released on 2026-08-12.

LFM2.5-VL-3B is 11 months newer than GPT-5 Codex.

GPT-5 Codex

Sep 15, 2025

11 months ago

LFM2.5-VL-3B

Aug 12, 2026

1 weeks ago

11mo newer

Knowledge Cutoff

When training data ends

GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while LFM2.5-VL-3B's cutoff date is not specified.

We can confirm GPT-5 Codex's training data extends to 2024-09-30, but cannot make a direct comparison without LFM2.5-VL-3B's cutoff date.

GPT-5 Codex

Sep 2024

LFM2.5-VL-3B

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

GPT-5 Codex
✓ Preferred
LFM2.5-VL-3B
Open in Playground

FAQ

Common questions about GPT-5 Codex vs LFM2.5-VL-3B.

Which is better, GPT-5 Codex or LFM2.5-VL-3B?

GPT-5 Codex (OpenAI) 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 GPT-5 Codex compare to LFM2.5-VL-3B in benchmarks?

GPT-5 Codex scores SWE-Bench Verified: 74.5%. LFM2.5-VL-3B scores DocVQA: 91.1%, POPE: 88.7%, RefCOCO-avg: 87.9%, TextVQA: 84.3%, OCRBench: 84.2%.

What are the main differences between GPT-5 Codex and LFM2.5-VL-3B?

Key differences include multimodal support (no vs yes), licensing (Proprietary vs LFM Open License v1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 Codex and LFM2.5-VL-3B?

GPT-5 Codex is developed by OpenAI and LFM2.5-VL-3B is developed by Liquid AI.

Related comparisons