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

Claude Haiku 3.5 vs o4-mini — Pricing & Capability Comparison

Claude Haiku 3.5 charges $0.80 per million input tokens and $4.00 per million output tokens. o4-mini comes in at $1.10 / $4.40. Context windows span 200K vs 200K tokens respectively.

TL;DR — Quick Comparison

  • Claude Haiku 3.5 is cheaper overall: $4.80 per 1M tokens (in+out) vs $5.50 for o4-mini — saves $0.70 per 1M tokens
  • Input pricing: Claude Haiku 3.5 $0.80/1M vs o4-mini $1.10/1M
  • Output pricing: Claude Haiku 3.5 $4.00/1M vs o4-mini $4.40/1M
  • Context window: Claude Haiku 3.5 offers more (200K vs 200K)
  • Use our calculator below to estimate costs for your specific usage pattern

Input price (per 1M)

Claude Haiku 3.5

$0.80

o4-mini

$1.10

Claude Haiku 3.5 leads here

Output price (per 1M)

Claude Haiku 3.5

$4.00

o4-mini

$4.40

Claude Haiku 3.5 leads here

Context window

Claude Haiku 3.5

200,000 tokens

o4-mini

200,000 tokens

Claude Haiku 3.5 leads here

Cached input

Claude Haiku 3.5

Not published

o4-mini

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 3.5o4-mini
Balanced conversation
50% input · 50% output
$0.0240$0.0275
Input-heavy workflow
80% input · 20% output
$0.0144$0.0176
Generation heavy
30% input · 70% output
$0.0304$0.0341
Cached system prompt
90% cached input · 10% fresh output
$0.0112$0.0143

Frequently asked questions

Which is cheaper: Claude Haiku 3.5 or o4-mini?

Claude Haiku 3.5 is cheaper for input tokens at $0.80 per 1M tokens compared to $1.10. For output, Claude Haiku 3.5 costs $4.00 per 1M tokens versus $4.40 for o4-mini.

What is the cost per 1M tokens for Claude Haiku 3.5?

Claude Haiku 3.5 pricing: $0.80 per 1M input tokens and $4.00 per 1M output tokens. Context window: 200,000 tokens.

What is the cost per 1M tokens for o4-mini?

o4-mini pricing: $1.10 per 1M input tokens and $4.40 per 1M output tokens. Context window: 200,000 tokens.

How much does it cost per 1K tokens?

Per 1K tokens: Claude Haiku 3.5 costs $0.0008 input / $0.0040 output. o4-mini costs $0.0011 input / $0.0044 output. This is useful for calculating small-scale usage costs.

Which model supports a larger context window?

Claude Haiku 3.5 offers 200,000 tokens (200K) versus 200K for o4-mini.

What is the estimated monthly cost for typical usage?

For a typical workload of 10M input + 2M output tokens per month: Claude Haiku 3.5 would cost approximately $16.00, while o4-mini would cost $19.80. Claude Haiku 3.5 is more economical for this usage pattern.

Do these models support prompt caching?

Claude Haiku 3.5 does not publish cached pricing. o4-mini does not publish cached pricing.

Which model is best for my use case?

Choose Claude Haiku 3.5 for cost-sensitive applications with high input volume. Choose Claude Haiku 3.5 if you need 200K context for long documents or conversations. Consider prompt caching if you have repeated context. Use our token calculator to model your specific usage pattern.

Related resources

Claude Haiku 3.5 vs o4-mini Pricing (2025) — Cost per 1M Tokens Comparison | LLM Practical Experience Hub