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.
1M200k
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.
—$1.10
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.
—$4.40
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.
—$0.275
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.
$0.25Google—
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$1.50Google—
$250Google$440OpenAI 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.
10%8%
Overview
CompanyGoogleOpenAI
Release dateDec 17 2025Apr 16 2025
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 3.0 Flash leads o4-mini on 1 of the 1 benchmark they both report (BullshitBench v2). Only o4-mini has a verified first-party price for an available API: $1.10 per million input tokens and $4.40 per million output tokens. No currently available pay-as-you-go API rate is tracked for Gemini 3.0 Flash. o4-mini shipped 245 days before Gemini 3.0 Flash, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Gemini 3.0 Flash) vs 200k (o4-mini).

On BullshitBench v2, Gemini 3.0 Flash leads at 10% vs o4-mini at 8%.