ClaudevsGPT

Claude Haiku 4.5 vs GPT 5.6 Sol

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 5.6 Sol

Flagship
Input $/MTok
$1.00
$5.00
Output $/MTok
$5.00
$30.00
Cache discount
90% off
90% off
Context
200K
1,000K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
94
Code Review
70
vs
92
Summarization
82
vs
90
Q&A
86
vs
91
Extraction
88
vs
88
Reasoning
65
vs
96
Classification
90
vs
86
Creative Writing
60
vs
92
Claude Haiku 4.5
GPT 5.6 Sol

Guidance

When to use Claude Haiku 4.5 vs GPT 5.6 Sol

Choose Claude Haiku 4.5 when...

  • -You need strong classification (confidence 90 vs 86)
  • -Cost matters: 80% cheaper on input tokens

Choose GPT 5.6 Sol when...

  • -You need strong reasoning (confidence 96 vs 65)
  • -You need strong code generation (confidence 94 vs 72)
  • -You need strong code review (confidence 92 vs 70)
  • -You need strong creative writing (confidence 92 vs 60)
  • -You need a larger context window (1,000K 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 Sol
100K tokens
$0.22Cheaper
$1.25
1M tokens
$2.20Cheaper
$12.50
10M tokens
$22.00Cheaper
$125.00

FAQ

When should I use Claude Haiku 4.5 instead of GPT 5.6 Sol?

Claude Haiku 4.5 outperforms GPT 5.6 Sol for Classification. It costs $1.00/$5.00 per million tokens (input/output).

Is GPT 5.6 Sol cheaper than Claude Haiku 4.5?

GPT 5.6 Sol 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 5.6 Sol?

Claude Haiku 4.5 has a 200K token context window. GPT 5.6 Sol has a 1,000K token context window.

Track your real costs

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