Gemini 3.0 ProvsComposer 1.5
Gemini 3.0 Pro | Composer 1.5 | |
|---|---|---|
| Benchmarks | ||
Next.js EvalsNext.js coding — Vercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 52% | 67% |
| BenchmarksPublished by one model only | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 76.2% | — |
ARC-AGI-2Abstract reasoning — Puzzle-style tests of abstract reasoning and pattern-finding — the kind of thing people find easy but AIs often struggle with. Higher is better. | 31.1% | — |
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 91.9% | — |
MMMUMultimodal — Tests the AI on understanding images and text together across many college subjects. Higher is better. | 81% | — |
| Overview | ||
| Company | SpaceXAI | |
| Release date | Nov 18 2025 | Feb 9 2026 |
| Access | Proprietary | Proprietary |
Other comparisons
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Frequently asked questions
Composer 1.5 leads Gemini 3.0 Pro on 1 of the 1 benchmark they both report (Next.js Evals). Gemini 3.0 Pro shipped 83 days before Composer 1.5, 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 Next.js Evals, Composer 1.5 leads at 67% vs Gemini 3.0 Pro at 52%.