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

Claude Haiku 3.5 vs GPT-5 Chat — Pricing & Capability Comparison

Claude Haiku 3.5 charges $0.80 per million input tokens and $4.00 per million output tokens. GPT-5 Chat comes in at $1.25 / $10.00. Context windows span 200K vs 200K tokens respectively.

Input price (per 1M)

Claude Haiku 3.5

$0.80

GPT-5 Chat

$1.25

Claude Haiku 3.5 leads here

Output price (per 1M)

Claude Haiku 3.5

$4.00

GPT-5 Chat

$10.00

Claude Haiku 3.5 leads here

Context window

Claude Haiku 3.5

200,000 tokens

GPT-5 Chat

200,000 tokens

Claude Haiku 3.5 leads here

Cached input

Claude Haiku 3.5

Not published

GPT-5 Chat

$0.125

GPT-5 Chat 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 3.5GPT-5 ChatGPT-5 Chat cached
Balanced conversation
50% input · 50% output
$0.0240$0.0563$0.0506
Input-heavy workflow
80% input · 20% output
$0.0144$0.0300$0.0210
Generation heavy
30% input · 70% output
$0.0304$0.0738$0.0704
Cached system prompt
90% cached input · 10% fresh output
$0.0112$0.0212$0.0111

Frequently asked questions

Which model is cheaper per million input tokens?

Claude Haiku 3.5 costs $0.80 per million input tokens versus $1.25 for GPT-5 Chat.

How do output prices compare?

Claude Haiku 3.5 charges $4.00 per million output tokens, while GPT-5 Chat costs $10.00 per million.

Which model supports a larger context window?

Claude Haiku 3.5 offers 200,000 tokens (200K) versus 200K for GPT-5 Chat.

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