Compare AI models

Specifications
Context window
1M—
API pricing
Input price
$5.00—
Output price
$25.00—
Cached input price
$0.50—
Cheapest input
$5.00Amazon Bedrock$0.042Darkbloom
Cheapest output
$25.00Amazon Bedrock$0.22Darkbloom
Benchmarks
BullshitBench v2
73%25%
Overview
CompanyAnthropicGoogle
Release dateJul 24 2026Apr 2 2026
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Claude Opus 5 leads Gemma 4 on 1 of the 1 benchmark they both report (BullshitBench v2). Only Claude Opus 5 has a verified first-party API price: $5.00 per million input tokens and $25.00 per million output tokens. No pay-as-you-go API rate is tracked for Gemma 4. Gemma 4 shipped 113 days before Claude Opus 5, so benchmark comparisons should account for the intervening progress.

Claude Opus 5 is closed, while Gemma 4 is open weight.

On BullshitBench v2, Claude Opus 5 leads at 73% vs Gemma 4 at 25%.