Overview
Introduced effort control with stronger coding, agents, computer use, and multi-agent coordination.
Claude Opus 4.5
Introduced effort control with stronger coding, agents, computer use, and multi-agent coordination.
MODEL NUMBER049
- Release date
- 2025-11-24
- Organization
- Anthropic
- Family
- Claude
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Specifications
Only published specifications are shown.
02
Overview
PreviousClaude Opus 4— · 200K ctx
CurrentClaude Opus 4.5— · 200K ctx
New capabilities Computer use Effort control Multi-agent
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Architecture & capabilities
Key capabilities
CodingComputer useEffort controlMulti-agent
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Release history
Claude Opus 4.5 launched with effort control.
View source06
Related models
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