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.
—35B
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.
1.05M256k
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.
$0.20$0.375
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.
$1.20$2.25
Cached input priceA reduced rate for text you send over and over. If every request starts with the same instructions or the same document, the provider keeps a copy ready and charges less to read it again.
$0.02—
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.
$0.10OpenAI$0.05Darkbloom
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$0.60OpenAI$0.70Darkbloom
$100OpenAI list price$45.00Darkbloom · fp4
These models have no shared benchmark scores.
Overview
CompanyOpenAIQwen
Release dateJun 26 2026Apr 16 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

GPT-5.6 Luna and Qwen3.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.6 Luna is cheaper on both input and output: $0.20 vs $0.375 per million input tokens, and $1.20 vs $2.25 per million output tokens. Figures are base-tier rates. Qwen3.6 shipped 71 days before GPT-5.6 Luna, so benchmark comparisons should account for the intervening progress.

Context windows are 1.05M (GPT-5.6 Luna) vs 256k (Qwen3.6). GPT-5.6 Luna is closed, while Qwen3.6 is open weight.

Direct benchmark comparisons are unavailable — GPT-5.6 Luna and Qwen3.6 don't publish scores on any of the same benchmarks.