When was Gemini 3.1 Pro released?

Gemini 3.1 Pro was released by Google on Feb 19 2026.

When was Muse Spark released?

Muse Spark was released by Meta on Apr 8 2026.

Which is better on GPQA Diamond, Gemini 3.1 Pro or Muse Spark?

Gemini 3.1 Pro scores higher on GPQA Diamond — Gemini 3.1 Pro 94.3% vs Muse Spark 89.5%.

Which is better at coding, Gemini 3.1 Pro or Muse Spark?

On SWE-Bench Verified (real-world software-engineering tasks), Gemini 3.1 Pro leads — Gemini 3.1 Pro scores 80.6% and Muse Spark scores 77.4%.

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Muse Spark

Apr 8 2026

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Gemini 3.1 Pro vs Muse Spark

2 vs 1 benchmarks won

	Google Gemini 3.1 Pro	Meta Muse Spark
Overview
Company	Google	Meta
Release date	Feb 19 2026	Apr 8 2026
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	94.3%	89.5%
Software engineering SWE-Bench Verified	80.6%	77.4%
Multimodal understanding MMMU	—	80.4%
Timeline
Release gap	Gemini 3.1 Pro shipped 48 days before Muse Spark

Which is better: Gemini 3.1 Pro or Muse Spark?

Gemini 3.1 Pro leads Muse Spark on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 3.1 Pro shipped 48 days before Muse Spark, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On GPQA Diamond, Gemini 3.1 Pro scores 94.3%, 4.8 points above Muse Spark at 89.5%. On SWE-Bench Verified, Gemini 3.1 Pro scores 80.6%, 3.2 points above Muse Spark at 77.4%.

Frequently asked questions

When was Gemini 3.1 Pro released?: Gemini 3.1 Pro was released by Google on Feb 19 2026.
When was Muse Spark released?: Muse Spark was released by Meta on Apr 8 2026.
Which is better on GPQA Diamond, Gemini 3.1 Pro or Muse Spark?: Gemini 3.1 Pro scores higher on GPQA Diamond — Gemini 3.1 Pro 94.3% vs Muse Spark 89.5%.
Which is better at coding, Gemini 3.1 Pro or Muse Spark?: On SWE-Bench Verified (real-world software-engineering tasks), Gemini 3.1 Pro leads — Gemini 3.1 Pro scores 80.6% and Muse Spark scores 77.4%.