Compare AI models

Specifications
ParametersA rough measure of how big the model is. More parameters usually means more capable and more expensive to run, though it is a poor guide on its own — a smaller, newer model often beats a larger, older one.
—2.4T
Context windowHow much text the model can hold in mind at once — your question, any documents you attach, the conversation so far, and its own reply. Go past it and the earliest part falls out of view.
—1M
Benchmarks
DeepSWE 1.1Agentic coding — Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better.
10%69.3%
JobBenchProfessional tool use — Tests the AI on professional workplace tasks that require using real work tools — the kind of multi-step jobs an office worker handles. Higher is better.
17%64%
Toolathlon-VerifiedPersonal tool use — Tests how well the AI uses everyday personal tools and apps to get things done — a human-checked version of Toolathlon. Higher is better.
49.4%73.3%
Overview
CompanyMetaQwen
Release dateApr 8 2026Sep 2 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Max-0902 leads Muse Spark on 3 of the 3 benchmarks they both report (DeepSWE 1.1, JobBench, Toolathlon-Verified). Muse Spark shipped 147 days before Qwen3.8-Max-0902, 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 DeepSWE 1.1, Qwen3.8-Max-0902 leads at 69.3% vs Muse Spark at 10%. On JobBench, Qwen3.8-Max-0902 leads at 64% vs Muse Spark at 17%. On Toolathlon-Verified, Qwen3.8-Max-0902 leads at 73.3% vs Muse Spark at 49.4%.