ClaudevsGPT

Claude Haiku 4.5 vs GPT 5.2

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Claude Haiku 4.5

Fast / Budget

GPT 5.2

Mid-tier
Input $/MTok
$1.00
$1.75
Output $/MTok
$5.00
$14.00
Cache discount
90% off
90% off
Context
200K
272K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
0
Code Review
70
vs
0
Summarization
82
vs
0
Q&A
86
vs
0
Extraction
88
vs
0
Reasoning
65
vs
0
Classification
90
vs
0
Creative Writing
60
vs
0
Claude Haiku 4.5
GPT 5.2

Guidance

When to use Claude Haiku 4.5 vs GPT 5.2

Choose Claude Haiku 4.5 when...

  • -Cost matters: 43% cheaper on input tokens

Choose GPT 5.2 when...

  • -You need a larger context window (272K vs 200K)
  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Haiku 4.5
GPT 5.2
100K tokens
$0.22Cheaper
$0.54
1M tokens
$2.20Cheaper
$5.42
10M tokens
$22.00Cheaper
$54.25

FAQ

When should I use Claude Haiku 4.5 instead of GPT 5.2?

Claude Haiku 4.5 and GPT 5.2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 5.2 cheaper than Claude Haiku 4.5?

GPT 5.2 input costs $1.75/MTok, which is 75% more than Claude Haiku 4.5 at $1.00/MTok.

What are the context window sizes for Claude Haiku 4.5 and GPT 5.2?

Claude Haiku 4.5 has a 200K token context window. GPT 5.2 has a 272K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.