Laguna S 2.1 vs LFM2.5-2.6B: Specs & Benchmark Comparison

Laguna S 2.1 is developed by Poolside, while LFM2.5-2.6B comes from Liquid AI. Laguna S 2.1 was released in July 2026, and LFM2.5-2.6B followed a month later in August 2026. Laguna S 2.1 is the larger model at roughly 118 billion parameters, against 3 billion for LFM2.5-2.6B.

We have 6 benchmark results for Laguna S 2.1 and 8 benchmark results for LFM2.5-2.6B, but they were measured on different benchmarks, so there is no like-for-like scoreboard.

Laguna S 2.1 is available through an API at $0.10 per million input tokens with a 1M-token context window. We do not track a hosted API for LFM2.5-2.6B, so pricing and context cannot be compared directly.

CharacteristicLaguna S 2.1LFM2.5-2.6B
CompanyPoolsideLiquid AI
Release DateJuly 21, 2026August 4, 2026
Parameters118B3B
MultimodalNoNo
Context (input)1.0M
Input Price / 1M$0.10
Output Price / 1M$0.20
Average Score57.4%55.5%

Verdict

LFM2.5-2.6B leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Laguna S 2.1 — 0.6, LFM2.5-2.6B — 0.6.

Recency

LFM2.5-2.6B is newer: released 8/4/2026 vs 7/21/2026.

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Frequently Asked Questions

Which is better for coding — Laguna S 2.1 or LFM2.5-2.6B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Laguna S 2.1 or LFM2.5-2.6B?
API pricing data is available on the individual model pages.
Which has a larger context window — Laguna S 2.1 or LFM2.5-2.6B?
Context window data is available on the individual model pages.

The Laguna S 2.1 and LFM2.5-2.6B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Laguna S 2.1 or LFM2.5-2.6B page. See also the complete list of AI model comparisons.