Compare AI models

Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
1M1M
API pricingUSD per 1M tokens · lower wins · base tier
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
—$0.50
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
—$3.00
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.
—$0.325Alibaba
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
—$1.95Alibaba
—$163Alibaba
Benchmarks
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.
93.9%78.8%
Humanity's Last Exam · with toolsMultidisciplinary reasoning — Humanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better.
64.7%28.8%
Overview
CompanyAnthropicQwen
Release dateApr 7 2026Apr 2 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Claude Mythos Preview leads Qwen3.6-Plus on 2 of the 2 benchmarks they both report (SWE-Bench Verified, Humanity's Last Exam). Only Qwen3.6-Plus has a verified first-party price for an available API: $0.50 per million input tokens and $3.00 per million output tokens. No currently available pay-as-you-go API rate is tracked for Claude Mythos Preview. Qwen3.6-Plus shipped 5 days before Claude Mythos Preview, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Claude Mythos Preview) vs 1M (Qwen3.6-Plus).

On SWE-Bench Verified, Claude Mythos Preview leads at 93.9% vs Qwen3.6-Plus at 78.8%. On Humanity's Last Exam · with tools, Claude Mythos Preview leads at 64.7% vs Qwen3.6-Plus at 28.8%.