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.
1M1M
API pricingUSD per 1M tokens · lower wins
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
$1.25Meta—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$4.25Meta—
$463Meta—
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.
59.3%69.3%
Overview
CompanyMetaQwen
Release dateAug 5 2026Sep 2 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Qwen3.8-Max-0902 leads Muse Spark 1.2 on 1 of the 1 benchmark they both report (DeepSWE 1.1). Muse Spark 1.2 shipped 28 days before Qwen3.8-Max-0902, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Muse Spark 1.2) vs 1M (Qwen3.8-Max-0902).

On DeepSWE 1.1, Qwen3.8-Max-0902 leads at 69.3% vs Muse Spark 1.2 at 59.3%.