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

Claude Haiku 3.5 vs o3 — Pricing & Capability Comparison

Claude Haiku 3.5 charges $0.80 per million input tokens and $4.00 per million output tokens. o3 comes in at $2.00 / $8.00. Context windows span 200K vs 200K tokens respectively.

Input price (per 1M)

Claude Haiku 3.5

$0.80

o3

$2.00

Claude Haiku 3.5 leads here

Output price (per 1M)

Claude Haiku 3.5

$4.00

o3

$8.00

Claude Haiku 3.5 leads here

Context window

Claude Haiku 3.5

200,000 tokens

o3

200,000 tokens

Claude Haiku 3.5 leads here

Cached input

Claude Haiku 3.5

Not published

o3

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.

ScenarioClaude Haiku 3.5o3
Balanced conversation
50% input · 50% output
$0.0240$0.0500
Input-heavy workflow
80% input · 20% output
$0.0144$0.0320
Generation heavy
30% input · 70% output
$0.0304$0.0620
Cached system prompt
90% cached input · 10% fresh output
$0.0112$0.0260

Frequently asked questions

Which model is cheaper per million input tokens?

Claude Haiku 3.5 costs $0.80 per million input tokens versus $2.00 for o3.

How do output prices compare?

Claude Haiku 3.5 charges $4.00 per million output tokens, while o3 costs $8.00 per million.

Which model supports a larger context window?

Claude Haiku 3.5 offers 200,000 tokens (200K) versus 200K for o3.

Related resources