Compare AI models

API pricingUSD per 1M tokens · lower wins
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$0.10DeepInfra
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$0.30DeepInfra
$6,750Amazon Bedrock$35.00DeepInfra · fp8
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%20%
Overview
CompanyAnthropicMeta
Release dateAug 5 2025Apr 5 2025
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Opus 4.1 leads LLaMA 4 Scout on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 4 Scout shipped 122 days before Claude Opus 4.1, so benchmark comparisons should account for the intervening progress.

Claude Opus 4.1 is closed, while LLaMA 4 Scout is open weight.

On BullshitBench v2, Claude Opus 4.1 leads at 43% vs LLaMA 4 Scout at 20%.