Last verified 2025-09-22 (left) · 2025-09-22 (right)

Claude Haiku 3.5 vs Claude Sonnet 4 — Pricing & Capability Comparison

Claude Haiku 3.5 charges $0.80 per million input tokens and $4.00 per million output tokens. Claude Sonnet 4 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 4

$3.00

Claude Haiku 3.5 leads here

Output price (per 1M)

Claude Haiku 3.5

$4.00

Claude Sonnet 4

$15.00

Claude Haiku 3.5 leads here

Context window

Claude Haiku 3.5

200,000 tokens

Claude Sonnet 4

200,000 tokens

Claude Haiku 3.5 leads here

Cached input

Claude Haiku 3.5

Not published

Claude Sonnet 4

$0.300

Claude Sonnet 4 leads here

Cost comparison for 10K-token workloads

Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.

ScenarioClaude Haiku 3.5Claude Sonnet 4Claude Sonnet 4 cached
Balanced conversation
50% input · 50% output
$0.0240$0.0900$0.0765
Input-heavy workflow
80% input · 20% output
$0.0144$0.0540$0.0324
Generation heavy
30% input · 70% output
$0.0304$0.114$0.106
Cached system prompt
90% cached input · 10% fresh output
$0.0112$0.0420$0.0177

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 4.

How do output prices compare?

Claude Haiku 3.5 charges $4.00 per million output tokens, while Claude Sonnet 4 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 4.

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