Model Details
Owner
Anthropic
Released
Jun 2026
Status
Active
Context Length
1.0M
Max Output
128K
Providers
Anthropic, Perplexity
Where is Claude Sonnet 5 a perfect fit?
Claude Sonnet 5 is Anthropic’s next-generation Sonnet model, positioned as its best combination of speed and intelligence. It substantially improves on Sonnet 4.6 in coding, reasoning, tool use, knowledge work, and agentic tasks while remaining cheaper than Opus-class models.
- Autonomous agents that plan tasks, use browsers or terminals, and execute multi-step workflows
- Complex coding, debugging, repository navigation, and software-engineering tasks
- Tool-heavy workflows requiring reliable function and computer interaction
- Professional knowledge work, research, document analysis, and reasoning
- Long-context processing of large codebases, documents, and datasets
- High-volume production workloads requiring stronger intelligence without Opus-level pricing
- Applications requiring adjustable reasoning effort to balance quality, latency, and cost
- Migration from Sonnet 4.6 where improved agentic performance is valuable
- Autonomous agents that plan tasks, use browsers or terminals, and execute multi-step workflows
- Complex coding, debugging, repository navigation, and software-engineering tasks
- Tool-heavy workflows requiring reliable function and computer interaction
- Professional knowledge work, research, document analysis, and reasoning
- Long-context processing of large codebases, documents, and datasets
- High-volume production workloads requiring stronger intelligence without Opus-level pricing
- Applications requiring adjustable reasoning effort to balance quality, latency, and cost
- Migration from Sonnet 4.6 where improved agentic performance is valuable
Quick Model Estimate
Your GPT-5 Cost Estimate
💰 Total Cost
USD 3.00
for 1000 input + 1000 output tokens
📥 Input (1000 × $2.000000)
USD 1.5000
📤 Output (1000 × $10.000000)
USD 1.5000
Cost Breakdown
📥 Input 50%
📤 Output 50%
Prices updated daily from official provider data.
