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.
—$2.00
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.
—$10.00
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.
—$0.10
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.
$15.00Amazon Bedrock$1.00Google AI Studio
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
$75.00Amazon Bedrock$5.00Google AI Studio
$6,750Amazon Bedrock$900Google 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.
43%66%
Overview
CompanyAnthropicGoogle
Release dateAug 5 2025Sep 30 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 4 Argon leads Claude Opus 4.1 on 1 of the 1 benchmark they both report (BullshitBench v2). Only Gemini 4 Argon has a verified first-party price for an available API: $2.00 per million input tokens and $10.00 per million output tokens. No currently available pay-as-you-go API rate is tracked for Claude Opus 4.1. Claude Opus 4.1 shipped 421 days before Gemini 4 Argon, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude Opus 4.1) vs 1M (Gemini 4 Argon).

On BullshitBench v2, Gemini 4 Argon leads at 66% vs Claude Opus 4.1 at 43%.