Gemini 3.7 Flash vs Laguna S 2.1: Specs & Benchmark Comparison
Gemini 3.7 Flash is developed by Google, while Laguna S 2.1 comes from Poolside. Laguna S 2.1 was released in July 2026, and Gemini 3.7 Flash followed a month later in August 2026. Laguna S 2.1 has a published size of about 118 billion parameters; Google has not disclosed the parameter count of Gemini 3.7 Flash.
We have 4 benchmark results for Gemini 3.7 Flash and 6 benchmark results for Laguna S 2.1, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Laguna S 2.1 is the cheaper API at $0.10 per million input tokens and $0.20 per million output tokens, roughly 8 times cheaper than Gemini 3.7 Flash at $0.75 and $3.75. Both accept a context window of about 1M tokens. Gemini 3.7 Flash accepts text and images as input, while Laguna S 2.1 accepts text. On tooling, only Gemini 3.7 Flash supports function calling and only Gemini 3.7 Flash offers structured output.
| Characteristic | Gemini 3.7 Flash | Laguna S 2.1 |
|---|---|---|
| Company | Poolside | |
| Release Date | August 13, 2026 | July 21, 2026 |
| Parameters | — | 118B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | — |
| Input Price / 1M | $0.75 | $0.10 |
| Output Price / 1M | $3.75 | $0.20 |
| Average Score | 79.6% | 57.4% |
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: Gemini 3.7 Flash — 0.8, Laguna S 2.1 — 0.6.
Laguna S 2.1 is 15.0x cheaper: input $0.10/1M vs $0.75/1M tokens.
Same context size: 1M tokens.
Gemini 3.7 Flash is newer: released 8/13/2026 vs 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Gemini 3.7 Flash or Laguna S 2.1?
Which model is cheaper — Gemini 3.7 Flash or Laguna S 2.1?
Which has a larger context window — Gemini 3.7 Flash or Laguna S 2.1?
The Gemini 3.7 Flash and Laguna S 2.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.7 Flash or Laguna S 2.1 page. See also the complete list of AI model comparisons.