Auto Router has the larger context window (2,000,000 vs 1,000,000 tokens, 2.0×).

Claude Opus 5 vs Auto Router

Live catalog fields. Best-in-row is highlighted.

Claude Opus 5

Anthropic · anthropic__claude-opus-5

Auto Router

OpenRouter · openrouter__auto

Identity

Fieldanthropic__claude-opus-5openrouter__auto
ProviderAnthropicOpenRouter
Sluganthropic__claude-opus-5openrouter__auto
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-opus-5openrouter__auto
Quality index (0–100)93.4

Cost

Fieldanthropic__claude-opus-5openrouter__auto
Input $ / 1M tokens$5.00
Cached input $ / 1M$0.50
Output $ / 1M tokens$25.00

Context

Fieldanthropic__claude-opus-5openrouter__auto
Max context tokens1,000,0002,000,000
Max output tokens128,000

Modalities

Fieldanthropic__claude-opus-5openrouter__auto
Inputtext, image, filetext, image, audio, file, video
Outputtexttext, image