Last verified 2025-09-22 (left) · 2025-09-22 (right)
Claude Haiku 3.5 vs Claude Sonnet 3.7 (Legacy) — Pricing & Capability Comparison
Claude Haiku 3.5 charges $0.80 per million input tokens and $4.00 per million output tokens. Claude Sonnet 3.7 (Legacy) comes in at $3.00 / $15.00. Context windows span 200K vs 200K tokens respectively.
Input price (per 1M)
Claude Haiku 3.5
$0.80
Claude Sonnet 3.7 (Legacy)
$3.00
Claude Haiku 3.5 leads here
Output price (per 1M)
Claude Haiku 3.5
$4.00
Claude Sonnet 3.7 (Legacy)
$15.00
Claude Haiku 3.5 leads here
Context window
Claude Haiku 3.5
200,000 tokens
Claude Sonnet 3.7 (Legacy)
200,000 tokens
Claude Haiku 3.5 leads here
Cached input
Claude Haiku 3.5
Not published
Claude Sonnet 3.7 (Legacy)
Not published
No published data
Cost comparison for 10K-token workloads
Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.
| Scenario | Claude Haiku 3.5 | Claude Sonnet 3.7 (Legacy) |
|---|---|---|
Balanced conversation 50% input · 50% output | $0.0240 | $0.0900 |
Input-heavy workflow 80% input · 20% output | $0.0144 | $0.0540 |
Generation heavy 30% input · 70% output | $0.0304 | $0.114 |
Cached system prompt 90% cached input · 10% fresh output | $0.0112 | $0.0420 |
Frequently asked questions
Which model is cheaper per million input tokens?
Claude Haiku 3.5 costs $0.80 per million input tokens versus $3.00 for Claude Sonnet 3.7 (Legacy).
How do output prices compare?
Claude Haiku 3.5 charges $4.00 per million output tokens, while Claude Sonnet 3.7 (Legacy) costs $15.00 per million.
Which model supports a larger context window?
Claude Haiku 3.5 offers 200,000 tokens (200K) versus 200K for Claude Sonnet 3.7 (Legacy).