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.
200k1M
API pricingUSD per 1M tokens · lower wins
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
—$0.30
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.
—$2.50
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.
—$0.03
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.
—$0.15Google
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
—$1.25Google
—$185Google list price
Benchmarks
BullshitBench v2Nonsense detection — Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better.
49%66%
Overview
CompanyAnthropicGoogle
Release dateFeb 24 2025Jul 21 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 3.5 Flash-Lite leads Claude 3.7 Sonnet on 1 of the 1 benchmark they both report (BullshitBench v2). Only Gemini 3.5 Flash-Lite has a verified first-party API price: $0.30 per million input tokens and $2.50 per million output tokens. No pay-as-you-go API rate is tracked for Claude 3.7 Sonnet. Claude 3.7 Sonnet shipped 512 days before Gemini 3.5 Flash-Lite, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude 3.7 Sonnet) vs 1M (Gemini 3.5 Flash-Lite).

On BullshitBench v2, Gemini 3.5 Flash-Lite leads at 66% vs Claude 3.7 Sonnet at 49%.