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GPT-4o vs LFM2.5-VL-3B

GPT-4o significantly outperforms across most benchmarks.

OpenAI · Liquid AI · Updated for 2026

Which is better?

GPT-4o outperforms in 4 benchmarks (ChartQA, DocVQA, MMMU-Pro, Multi-IF), while LFM2.5-VL-3B is better at 1 benchmark (IFEval). GPT-4o significantly outperforms across most benchmarks.

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

Choose GPT-4o

  • you want the strongest raw capability — it leads on 4 of 5 shared benchmarks

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.

Benchmark wins
4 of 5
1 of 5
Input price
$2.50 / M
— / M
Output price
$10.00 / M
— / M
Context window
128,000
Released
Aug 2024
Aug 2026
License
Proprietary
LFM Open License v1.0

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-4o outperforms in 4 benchmarks (ChartQA, DocVQA, MMMU-Pro, Multi-IF), while LFM2.5-VL-3B is better at 1 benchmark (IFEval).

GPT-4o significantly outperforms across most benchmarks.

Mon Aug 24 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (16,384 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Liquid AI
LFM2.5-VL-3B
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and LFM2.5-VL-3B support multimodal inputs.

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

GPT-4o

Text
Images
Audio
Video

LFM2.5-VL-3B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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-4o

Proprietary

Closed source

LFM2.5-VL-3B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while LFM2.5-VL-3B was released on 2026-08-12.

LFM2.5-VL-3B is 25 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

2.0 years ago

LFM2.5-VL-3B

Aug 12, 2026

1 weeks ago

2.0yr newer

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 GPT-4o and LFM2.5-VL-3B side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
LFM2.5-VL-3B
Open in Playground

FAQ

Common questions about GPT-4o vs LFM2.5-VL-3B.

Which is better, GPT-4o or LFM2.5-VL-3B?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and LFM2.5-VL-3B is made by Liquid AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o compare to LFM2.5-VL-3B in benchmarks?

GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. 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 GPT-4o and LFM2.5-VL-3B?

GPT-4o supports 128K 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 GPT-4o 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 GPT-4o and LFM2.5-VL-3B?

GPT-4o is developed by OpenAI and LFM2.5-VL-3B is developed by Liquid AI.