ClaudevsClaude

Claude Opus 4.8 vs Claude Haiku 4.5

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

Pricing

Side-by-side pricing

Claude Opus 4.8

Flagship

Claude Haiku 4.5

Fast / Budget
Input $/MTok
$5.00
$1.00
Output $/MTok
$25.00
$5.00
Cache discount
90% off
90% off
Context
200K
200K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
95
vs
72
Code Review
94
vs
70
Summarization
88
vs
82
Q&A
85
vs
86
Extraction
82
vs
88
Reasoning
97
vs
65
Classification
80
vs
90
Creative Writing
93
vs
60
Claude Opus 4.8
Claude Haiku 4.5

Guidance

When to use Claude Opus 4.8 vs Claude Haiku 4.5

Choose Claude Opus 4.8 when...

  • -You need strong reasoning (confidence 97 vs 65)
  • -You need strong code generation (confidence 95 vs 72)
  • -You need strong code review (confidence 94 vs 70)
  • -You need strong creative writing (confidence 93 vs 60)

Choose Claude Haiku 4.5 when...

  • -You need strong classification (confidence 90 vs 80)
  • -You need strong extraction (confidence 88 vs 82)
  • -You need strong q&a (confidence 86 vs 85)
  • -Cost matters: 80% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Opus 4.8
Claude Haiku 4.5
100K tokens
$1.10
$0.22Cheaper
1M tokens
$11.00
$2.20Cheaper
10M tokens
$110.00
$22.00Cheaper

FAQ

When should I use Claude Opus 4.8 instead of Claude Haiku 4.5?

Claude Opus 4.8 outperforms Claude Haiku 4.5 for Reasoning, Code Generation, Code Review. It costs $5.00/$25.00 per million tokens (input/output).

Is Claude Haiku 4.5 cheaper than Claude Opus 4.8?

Yes. Claude Haiku 4.5 input costs $1.00/MTok vs $5.00/MTok for Claude Opus 4.8, saving 80% on input.

What are the context window sizes for Claude Opus 4.8 and Claude Haiku 4.5?

Claude Opus 4.8 has a 200K token context window. Claude Haiku 4.5 has a 200K token context window.

Track your real costs

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