Source
Introducing Claude Sonnet 5 \ Anthropic
Claude Sonnet 5 has been released, offering improved agentic capabilities in planning, coding, and tool use. It provides performance close to Opus 4.8 but at a lower price point.
Why it matters
Users can access advanced autonomous AI tasks more affordably, allowing for complex automation with built-in safety protections against cybersecurity threats.
The details
- Introductory pricing is $2 per million input and $10 per million output tokens.
- Pricing increases to $3/$15 per million tokens after August 31, 2026.
- The model includes default cyber safeguards to block dangerous cybersecurity usage in real time.
Show entities and relationshipsHide entities and relationships
In this article
Key connections
Anthropic owns Claude Sonnet 3.5
Anthropic developed Claude Sonnet 3.5
Anthropic owns Claude Sonnet 3.6
Anthropic developed Claude Sonnet 3.6
Sonnet 5 competes with Sonnet 4.6
Sonnet 5 is a substantial improvement over its predecessor Sonnet 4.6 on reasoning, tool use, coding, and knowledge work
Sonnet 5 competes with Claude Opus 4.8
Sonnet 5 narrows the performance gap with Opus 4.8 at lower prices
Sonnet 5 competes with Claude Mythos Preview
Sonnet 5 was evaluated alongside Claude Mythos Preview on automated behavioral audits
Sonnet 5 competes with Claude Mythos 5
Sonnet 5 shows poorer cyber skill performance compared to Mythos 5
Show 6 more connectionsShow fewer connections
Sonnet 5 competes with Claude Fable 5
Sonnet 5 cyber safeguards are less strict than those launched with Fable 5
Claude Code uses Sonnet 5
Claude Code provides access to Sonnet 5
Claude Developer Platform uses Sonnet 5
Claude Developer Platform offers Sonnet 5
Claude API uses Sonnet 5
Claude API allows developers to access the claude-sonnet-5 model
Claude Cowork uses Sonnet 5
Claude Cowork supports Sonnet 5 with increased rate limits
Anthropic owns Claude Sonnet 3.7
Anthropic developed and owns the Claude Sonnet 3.7 AI model
Get the weekly recap
The stories like this one, picked and explained — once a week, straight to your inbox.