ClaudevsGPT

Claude Mythos 5.1 vs GPT 3.5 Turbo

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

Pricing

Side-by-side pricing

Claude Mythos 5.1

Flagship

GPT 3.5 Turbo

Fast / Budget
Input $/MTok
$10.00
$0.50
Output $/MTok
$50.00
$1.50
Cache discount
98% off
0% off
Context
1,000K
16.385K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
Claude Mythos 5.1
GPT 3.5 Turbo

Guidance

When to use Claude Mythos 5.1 vs GPT 3.5 Turbo

Choose Claude Mythos 5.1 when...

  • -You need a larger context window (1,000K vs 16.385K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 3.5 Turbo when...

  • -Cost matters: 95% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Mythos 5.1
GPT 3.5 Turbo
100K tokens
$2.20
$0.08Cheaper
1M tokens
$22.00
$0.80Cheaper
10M tokens
$220.00
$8.00Cheaper

FAQ

When should I use Claude Mythos 5.1 instead of GPT 3.5 Turbo?

Claude Mythos 5.1 and GPT 3.5 Turbo perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 3.5 Turbo cheaper than Claude Mythos 5.1?

Yes. GPT 3.5 Turbo input costs $0.50/MTok vs $10.00/MTok for Claude Mythos 5.1, saving 95% on input.

What are the context window sizes for Claude Mythos 5.1 and GPT 3.5 Turbo?

Claude Mythos 5.1 has a 1,000K token context window. GPT 3.5 Turbo has a 16.385K token context window.

Track your real costs

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