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GPT-5 mini vs LFM3-1.7B

GPT-5 mini and LFM3-1.7B are closely matched at 26.8 and 25.0 on the LLM Stats Score.

OpenAI · Liquid AI · Updated for 2026

Which is better?

GPT-5 mini and LFM3-1.7B are closely matched on the overall LLM Stats Score at 26.8 and 25.0.

In the 2 individual benchmarks reported for both models, GPT-5 mini wins 2; this is a narrower head-to-head signal than the composite indexes.

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

Choose GPT-5 mini

  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

Choose LFM3-1.7B

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

At a glance

The differences that matter most.

Core performance indexes
26.8
#178
25.0
#192
26.1
#179
20.8
#216
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.25 / M
— / M
Output price
$2.00 / M
— / M
Context window
400,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-5 mini
LFM3-1.7B
25.4#119
7.6#285
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

5 reported for GPT-5 mini · 20 for LFM3-1.7B

2 shared

GPT-5 mini outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while LFM3-1.7B is better at 0 benchmarks.

GPT-5 mini significantly outperforms across most benchmarks.

Tue Nov 03 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5 mini specifies input context (400,000 tokens). Only GPT-5 mini specifies output context (128,000 tokens).

OpenAI
GPT-5 mini
Input400,000 tokens
Output128,000 tokens
Liquid AI
LFM3-1.7B
Input- tokens
Output- tokens
Tue Nov 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-5 mini supports multimodal inputs, whereas LFM3-1.7B does not.

GPT-5 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5 mini

Text
Images
Audio
Video

LFM3-1.7B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 mini is licensed under a proprietary license, while LFM3-1.7B uses LFM Open License v1.0.

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

GPT-5 mini

Proprietary

Closed source

LFM3-1.7B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

GPT-5 mini was released on 2025-08-07, while LFM3-1.7B was released on 2026-10-27.

LFM3-1.7B is 15 months newer than GPT-5 mini.

GPT-5 mini

Aug 7, 2025

1.2 years ago

LFM3-1.7B

Oct 27, 2026

6 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

GPT-5 mini has a documented knowledge cutoff of 2024-05-30, while LFM3-1.7B's cutoff date is not specified.

We can confirm GPT-5 mini's training data extends to 2024-05-30, but cannot make a direct comparison without LFM3-1.7B's cutoff date.

GPT-5 mini

May 2024

LFM3-1.7B

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5 mini and LFM3-1.7B side-by-side, then vote on the output you prefer.

GPT-5 mini
✓ Preferred
LFM3-1.7B
Open in Playground

FAQ

Common questions about GPT-5 mini vs LFM3-1.7B.

Which is better, GPT-5 mini or LFM3-1.7B?

GPT-5 mini and LFM3-1.7B are closely matched on the LLM Stats Score at 26.8 and 25.0. GPT-5 mini is made by OpenAI and LFM3-1.7B 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 GPT-5 mini compare to LFM3-1.7B in benchmarks?

GPT-5 mini scores AIME 2025: 91.1%, HMMT 2025: 87.8%, GPQA: 82.3%, FrontierMath: 22.1%, Humanity's Last Exam: 16.7%. LFM3-1.7B scores IFEval: 96.7%, Multi-IF: 89.1%, LiveCodeBench v6: 73.5%, IFBench: 73.0%, BFCL-V4: 71.4%.

What are the context window sizes for GPT-5 mini and LFM3-1.7B?

GPT-5 mini supports 400K tokens and LFM3-1.7B 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-5 mini and LFM3-1.7B?

Key differences include LLM Stats Score (26.8 vs 25.0), multimodal support (yes vs no), licensing (Proprietary vs LFM Open License v1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 mini and LFM3-1.7B?

GPT-5 mini is developed by OpenAI and LFM3-1.7B is developed by Liquid AI.