Claude 3.5 Sonnet vs Claude 4 Sonnet
Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.
A
Claude 3.5 Sonnet
Anthropic
A
Claude 4 Sonnet
Anthropic
Capability radar
Normalized coding, reasoning, writing, vision, context, and value
Claude 3.5 SonnetClaude 4 Sonnet
| Metric | Claude 3.5 Sonnet | Claude 4 Sonnet |
|---|---|---|
| Input Price / 1M | $3.00 | $3.00 |
| Output Price / 1M | $15.00 | $15.00 |
| Combined Price / 1M | $18.00 | $18.00 |
| Context Window | 200,000 | 200,000 |
| Coding Score | 92 | 96 |
| Reasoning Score | 90 | 94 |
| Vision Score | 88 | 92 |
| Audio | No | No |
| Streaming | Yes | Yes |
| Function Calling | Yes | Yes |
| Latency Tier | standard | standard |
| Release Date | 6/20/2024 | 5/22/2025 |
Claude 3.5 Sonnet — Strengths & Weaknesses
Strengths
- Excellent coding
- Strong writing
- Good value
Weaknesses
- Output pricing can add up at scale
Claude 4 Sonnet — Strengths & Weaknesses
Strengths
- State-of-art coding
- Strong agents
- Reliable outputs
Weaknesses
- Premium tier pricing
Use Case Verdicts
Enterprise Use
Claude 4 Sonnet combines strong reasoning, tooling, and context for enterprise workloads.
Agent Workflows
Claude 4 Sonnet is better suited for agentic workflows with tool use and coding capability.