GPT-5.1 High vs LFM3-1.7B
GPT-5.1 High leads the LLM Stats Score 34.7 to 25.0.
OpenAI · Liquid AI · Updated for 2026
Which is better?
GPT-5.1 High leads the overall LLM Stats Score 34.7 to 25.0, ranking #115 overall.
In the 1 individual benchmarks reported for both models, GPT-5.1 High wins 1; 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-5.1 High
- overall performance matters — it scores 34.7 and ranks #115 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 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.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
3 reported for GPT-5.1 High · 20 for LFM3-1.7B
GPT-5.1 High outperforms in 1 benchmarks (GPQA), while LFM3-1.7B is better at 0 benchmarks.
GPT-5.1 High significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-5.1 High specifies input context (400,000 tokens). Only GPT-5.1 High specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
GPT-5.1 High supports multimodal inputs, whereas LFM3-1.7B does not.
GPT-5.1 High can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.1 High
LFM3-1.7B
License
Usage and distribution terms
GPT-5.1 High 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.
Proprietary
Closed source
LFM Open License v1.0
Open weights
Release Timeline
When each model was launched
GPT-5.1 High was released on 2025-11-12, while LFM3-1.7B was released on 2026-10-27.
LFM3-1.7B is 12 months newer than GPT-5.1 High.
Nov 12, 2025
11 months ago
Oct 27, 2026
1 weeks ago
11mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.1 High and LFM3-1.7B side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.1 High vs LFM3-1.7B.