GPT-5.6 Sol vs LFM2.5-VL-3B: Specs & Benchmark Comparison
GPT-5.6 Sol is developed by OpenAI, while LFM2.5-VL-3B comes from Liquid AI. GPT-5.6 Sol was released in July 2026, and LFM2.5-VL-3B followed a month later in August 2026. LFM2.5-VL-3B has a published size of about 3 billion parameters; OpenAI has not disclosed the parameter count of GPT-5.6 Sol.
We have 45 benchmark results for GPT-5.6 Sol and 23 benchmark results for LFM2.5-VL-3B, but they overlap on a single test: MMMU-Pro, where GPT-5.6 Sol scores 83.0% against 30.5%.
GPT-5.6 Sol is available through an API at $5 per million input tokens with a 1M-token context window. We do not track a hosted API for LFM2.5-VL-3B, so pricing and context cannot be compared directly.
| Characteristic | GPT-5.6 Sol | LFM2.5-VL-3B |
|---|---|---|
| Company | OpenAI | Liquid AI |
| Release Date | July 9, 2026 | August 12, 2026 |
| Parameters | — | 3B |
| Multimodal | Yes | Yes |
| Context (input) | 1.1M | — |
| Context (output) | 128K | — |
| Input Price / 1M | $5.00 | — |
| Output Price / 1M | $30.00 | — |
| Average Score | 63.9% | 63.7% |
| Benchmarks | ||
| MMMU-Pro | 83.0% | 30.5% |
Visual Benchmark Comparison
Verdict
LFM2.5-VL-3B leads in 1 out of 2 comparison categories.
Both models show comparable average scores: GPT-5.6 Sol — 0.6, LFM2.5-VL-3B — 0.6.
LFM2.5-VL-3B is newer: released 8/12/2026 vs 7/9/2026.
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Frequently Asked Questions
Which is better for coding — GPT-5.6 Sol or LFM2.5-VL-3B?
Which model is cheaper — GPT-5.6 Sol or LFM2.5-VL-3B?
Which has a larger context window — GPT-5.6 Sol or LFM2.5-VL-3B?
The GPT-5.6 Sol and LFM2.5-VL-3B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.6 Sol or LFM2.5-VL-3B page. See also the complete list of AI model comparisons.