Longterm Wiki

Claude Opus 4

AnthropicASL-2

Claude Opus 4 was released May 22, 2025 alongside Sonnet 4. Described as the world's best coding model at launch, capable of autonomous coding for up to 7 hours. Scored 72.5% on SWE-bench Verified. Priced at \$15/\$75 per million tokens with a 200K token context window.

Developer
Anthropic
Released
2025-05-22
Context Window
200K tokens
Safety Level
ASL-2

Pricing

TypePrice per MTok
Input$15
Output$75

Benchmarks1

BenchmarkScore
SWE-bench Verified72.5%

Claude Family13

ModelTierReleasedInput $/MTok
Claude Sonnet 4.6sonnet2026-02-17$3
Claude Opus 4.6opus2026-02-05$5
Claude Opus 4.5opus2025-11-24$5
Claude Haiku 4.5haiku2025-10-15$1
Claude Sonnet 4.5sonnet2025-09-29$3
Claude Opus 4.1opus2025-08-05$15
Claude Sonnet 4sonnet2025-05-22$3
Claude 3.7 Sonnetsonnet2025-02-24$3
Claude 3.5 Haikuhaiku2024-11-04$0.8
Claude 3.5 Sonnetsonnet2024-06-20$3
Claude 3 Opusopus2024-03-04$15
Claude 3 Sonnetsonnet2024-03-04$3
Claude 3 Haikuhaiku2024-03-04$0.25

Details

Model FamilyClaude
Tieropus
Generation4
Release Date2025-05-22
Context Window200K tokens
Safety LevelASL-2

Capabilities3

tool-useextended-thinkingagentic-coding

Sources1

Tags

claudeclaude-4agentic-coding