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.
$3.00Amazon 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.
$15.00Amazon Bedrock$0.30DeepInfra
$1,350Amazon 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.
30%20%
Overview
CompanyAnthropicMeta
Release dateMay 22 2025Apr 5 2025
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Sonnet 4 leads LLaMA 4 Scout on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 4 Scout shipped 47 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.

Claude Sonnet 4 is closed, while LLaMA 4 Scout is open weight.

On BullshitBench v2, Claude Sonnet 4 leads at 30% vs LLaMA 4 Scout at 20%.