Compare AI models

Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
123B397B
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.
256k1M
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.
—$0.40
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.
—$1.60
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.
$0.40Mistral$0.32Alibaba
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$2.00Mistral$1.28Alibaba
$180Mistral$128Alibaba
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.
72.2%77.7%
Overview
CompanyMistralQwen
Release dateDec 9 2025Jun 1 2026
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

Qwen3.7-Plus leads Devstral 2 (123B) on 1 of the 1 benchmark they both report (SWE-Bench Verified). Only Qwen3.7-Plus has a verified first-party API price: $0.40 per million input tokens and $1.60 per million output tokens. No pay-as-you-go API rate is tracked for Devstral 2 (123B). Devstral 2 (123B) shipped 174 days before Qwen3.7-Plus, so benchmark comparisons should account for the intervening progress.

Devstral 2 (123B) has 123B parameters, while Qwen3.7-Plus has 397B. Context windows are 256k (Devstral 2 (123B)) vs 1M (Qwen3.7-Plus). Devstral 2 (123B) is open weight, while Qwen3.7-Plus is closed.

On SWE-Bench Verified, Qwen3.7-Plus leads at 77.7% vs Devstral 2 (123B) at 72.2%.