ClaudevsClaude

Claude Haiku 4.5 vs Claude Mythos 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 / Budget

Claude Mythos 5

Flagship
Input $/MTok
$1.00
$10.00
Output $/MTok
$5.00
$50.00
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
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
Claude Mythos 5

Guidance

When to use Claude Haiku 4.5 vs Claude Mythos 5

Choose Claude Haiku 4.5 when...

  • -Cost matters: 90% cheaper on input tokens

Choose Claude Mythos 5 when...

  • -You need a larger context window (1,000K vs 200K)
  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Haiku 4.5
Claude Mythos 5
100K tokens
$0.22Cheaper
$2.20
1M tokens
$2.20Cheaper
$22.00
10M tokens
$22.00Cheaper
$220.00

FAQ

When should I use Claude Haiku 4.5 instead of Claude Mythos 5?

Claude Haiku 4.5 and Claude Mythos 5 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Claude Mythos 5 cheaper than Claude Haiku 4.5?

Claude Mythos 5 input costs $10.00/MTok, which is 900% more than Claude Haiku 4.5 at $1.00/MTok.

What are the context window sizes for Claude Haiku 4.5 and Claude Mythos 5?

Claude Haiku 4.5 has a 200K token context window. Claude Mythos 5 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.