Laguna M.1

PoolsideProprietaryReasoningReleased Apr 28, 2026

Compare with Claude Opus 5.5 Source scores ↗

Overall score

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Not enough evidence to rank yet

Context window

256K

256,000 tokens

Price per 1M tokens

— in · — out

No price listed

Blended price

—

3:1 input:output tokens

Output speed

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Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

Benchmark results (4)

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

Coding

SWE-bench Verified	74.6	#41 of 98
SWE-bench Pro	49.2	#63 of 69

Agentic & tool use

Terminal-Bench 2.0

45.8

#35 of 39

Multilingual

SWE Multilingual

63.1

#39 of 46

Pricing by source

USD per 1M tokens.

Source	Input	Output	Cached in
List price	—	—	—

Poolside says Laguna M.1 is available through the Poolside API and was free for a limited time, but BenchLM did not find a current first-party permanent token-pricing row for the exact hosted model.

Arena ratings

Human-preference ratings from LMArena. Best-rated variant shown.

WebDev (coding)

1350

#118 · 5.4K votes

Speed

Measured by us through OpenRouter (median of trials).

Not available on OpenRouter, so we cannot measure it yet.