tokevenClaudevsGPT
Claude Haiku 4.5 vs GPT 5.5
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Haiku 4.5
Fast / BudgetGPT 5.5
FlagshipInput $/MTok
$1.00
$5.00
Output $/MTok
$5.00
$30.00
Cache discount
90% off
90% off
Context
200K
1,050K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
91
Code Review
70
vs
90
Summarization
82
vs
89
Q&A
86
vs
90
Extraction
88
vs
87
Reasoning
65
vs
95
Classification
90
vs
85
Creative Writing
60
vs
91
Claude Haiku 4.5
GPT 5.5
Guidance
When to use Claude Haiku 4.5 vs GPT 5.5
Choose Claude Haiku 4.5 when...
- -You need strong classification (confidence 90 vs 85)
- -You need strong extraction (confidence 88 vs 87)
- -Cost matters: 80% cheaper on input tokens
Choose GPT 5.5 when...
- -You need strong reasoning (confidence 95 vs 65)
- -You need strong code generation (confidence 91 vs 72)
- -You need strong creative writing (confidence 91 vs 60)
- -You need strong code review (confidence 90 vs 70)
- -You need a larger context window (1,050K vs 200K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Haiku 4.5
GPT 5.5
100K tokens
$0.22Cheaper
$1.25
1M tokens
$2.20Cheaper
$20.50
10M tokens
$22.00Cheaper
$205.00
FAQ
When should I use Claude Haiku 4.5 instead of GPT 5.5?
Claude Haiku 4.5 outperforms GPT 5.5 for Classification, Extraction. It costs $1.00/$5.00 per million tokens (input/output).
Is GPT 5.5 cheaper than Claude Haiku 4.5?
GPT 5.5 input costs $5.00/MTok, which is 400% more than Claude Haiku 4.5 at $1.00/MTok.
What are the context window sizes for Claude Haiku 4.5 and GPT 5.5?
Claude Haiku 4.5 has a 200K token context window. GPT 5.5 has a 1,050K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Haiku 4.5 and GPT 5.5 stack up against the rest of the field.
Track your real costs
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