tokevenClaudevsGPT
Claude Haiku 4.5 vs GPT 5.4 Nano
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 5.4 Nano
Fast / BudgetInput $/MTok
$1.00
$0.20
Output $/MTok
$5.00
$1.25
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 5.4 Nano
Guidance
When to use Claude Haiku 4.5 vs GPT 5.4 Nano
Choose Claude Haiku 4.5 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 5.4 Nano when...
- -Cost matters: 80% cheaper on input tokens
- -You need a larger context window (272K 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 5.4 Nano
100K tokens
$0.22
$0.05Cheaper
1M tokens
$2.20
$0.52Cheaper
10M tokens
$22.00
$5.15Cheaper
FAQ
When should I use Claude Haiku 4.5 instead of GPT 5.4 Nano?
Claude Haiku 4.5 and GPT 5.4 Nano perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 5.4 Nano cheaper than Claude Haiku 4.5?
Yes. GPT 5.4 Nano input costs $0.20/MTok vs $1.00/MTok for Claude Haiku 4.5, saving 80% on input.
What are the context window sizes for Claude Haiku 4.5 and GPT 5.4 Nano?
Claude Haiku 4.5 has a 200K token context window. GPT 5.4 Nano has a 272K 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 5.4 Nano stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.