Model Terminal

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's flagship large language model, designed for demanding coding, agentic workflows, and long-horizon reasoning tasks. It offers a 1M-token context window and 128K max output, positioning it as Anthropic's most capable generally available model. Source: supabase.

Value score

Not scored

Context

200K

tokens

Max output

32K

tokens

Price

$15/1M in · $75/1M out

Capability radar

Peer value bars

Claude 4 Opus95
Claude 4 Sonnet91
Claude 3.7 Sonnet88
Claude 3.5 Haiku80

Identity

Developer: Anthropic
Openness: Closed
Modalities: —
Release: 2025-05-22
Knowledge cutoff: —
Deprecation: —
API docs: Provider docs

Benchmarks

GPQA79.6 · 2025-05-22 · source
MMLU88.8 · 2025-05-22 · source
SWE-bench72.5 · 2025-05-22 · source

Compare nearby

Claude 4 Opus Compare
Claude 4 Sonnet Compare
Claude 3.7 Sonnet Compare
Claude 3.5 Haiku Compare

Pricing

Input / 1M: $15
Output / 1M: $75
Speed: —