tokevenClaudevsGPT
Claude Haiku 4.5 vs GPT 5.6 Luna
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 5.6 Luna
Fast / BudgetInput $/MTok
$1.00
$0.20
Output $/MTok
$5.00
$1.20
Cache discount
90% off
90% off
Context
200K
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
62
Code Review
70
vs
68
Summarization
82
vs
57
Q&A
86
vs
85
Extraction
88
vs
74
Reasoning
65
vs
86
Classification
90
vs
91
Creative Writing
60
vs
69
Claude Haiku 4.5
GPT 5.6 Luna
Guidance
When to use Claude Haiku 4.5 vs GPT 5.6 Luna
Choose Claude Haiku 4.5 when...
- -You need strong extraction (confidence 88 vs 74)
- -You need strong q&a (confidence 86 vs 85)
- -You need strong summarization (confidence 82 vs 57)
- -You need strong code generation (confidence 72 vs 62)
Choose GPT 5.6 Luna when...
- -You need strong classification (confidence 91 vs 90)
- -You need strong reasoning (confidence 86 vs 65)
- -You need strong creative writing (confidence 69 vs 60)
- -Cost matters: 80% cheaper on input tokens
- -You need a larger context window (922K 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 5.6 Luna
100K tokens
$0.22
$0.05Cheaper
1M tokens
$2.20
$0.82Cheaper
10M tokens
$22.00
$8.20Cheaper
FAQ
When should I use Claude Haiku 4.5 instead of GPT 5.6 Luna?
Claude Haiku 4.5 outperforms GPT 5.6 Luna for Extraction, Q&A, Summarization. It costs $1.00/$5.00 per million tokens (input/output).
Is GPT 5.6 Luna cheaper than Claude Haiku 4.5?
Yes. GPT 5.6 Luna 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 5.6 Luna?
Claude Haiku 4.5 has a 200K token context window. GPT 5.6 Luna has a 922K 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 5.6 Luna 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.