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.
816B125B
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.
1M262k
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.
60%58.7%
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.
61.8%55.7%
Overview
CompanyMetaQwen
Release dateOct 15 2026Aug 26 2026
AccessOpen WeightOpen Weight
Model detailsView modelView model

Frequently asked questions

Muse Spark Open leads Qwen3.8-Flash-Next on 2 of the 2 benchmarks they both report (DeepSWE 1.1, JobBench). Qwen3.8-Flash-Next shipped 50 days before Muse Spark Open, so benchmark comparisons should account for the intervening progress.

Muse Spark Open has 816B parameters, while Qwen3.8-Flash-Next has 125B. Context windows are 1M (Muse Spark Open) vs 262k (Qwen3.8-Flash-Next).

On DeepSWE 1.1, Muse Spark Open leads at 60% vs Qwen3.8-Flash-Next at 58.7%. On JobBench, Muse Spark Open leads at 61.8% vs Qwen3.8-Flash-Next at 55.7%.