Claude 3.5 Sonnet vs Claude 4 Haiku
Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.
A
Claude 3.5 Sonnet
Anthropic
A
Claude 4 Haiku
Anthropic
Capability radar
Normalized coding, reasoning, writing, vision, context, and value
Claude 3.5 SonnetClaude 4 Haiku
| Metric | Claude 3.5 Sonnet | Claude 4 Haiku |
|---|---|---|
| Input Price / 1M | $3.00 | $0.80 |
| Output Price / 1M | $15.00 | $4.00 |
| Combined Price / 1M | $18.00 | $4.80 |
| Context Window | 200,000 | 200,000 |
| Coding Score | 92 | 83 |
| Reasoning Score | 90 | 84 |
| Vision Score | 88 | 78 |
| Audio | No | No |
| Streaming | Yes | Yes |
| Function Calling | Yes | Yes |
| Latency Tier | standard | fast |
| 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 Haiku — Strengths & Weaknesses
Strengths
- Fast and cheap
- Improved over 3.5 Haiku
Weaknesses
- Not for hardest reasoning tasks
Use Case Verdicts
Enterprise Use
Claude 3.5 Sonnet combines strong reasoning, tooling, and context for enterprise workloads.
Agent Workflows
Claude 3.5 Sonnet is better suited for agentic workflows with tool use and coding capability.