GPTvsGrok

GPT 5 vs Grok 4.6

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

Pricing

Side-by-side pricing

GPT 5

Mid-tier

Grok 4.6

Flagship
Input $/MTok
$1.25
$2.00
Output $/MTok
$10.00
$6.00
Cache discount
90% off
75% off
Context
272K
500K

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
GPT 5
Grok 4.6

Guidance

When to use GPT 5 vs Grok 4.6

Choose GPT 5 when...

  • -Cost matters: 38% cheaper on input tokens

Choose Grok 4.6 when...

  • -You need a larger context window (500K vs 272K)
  • 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.
GPT 5
Grok 4.6
100K tokens
$0.39
$0.32Cheaper
1M tokens
$3.88Cheaper
$6.40
10M tokens
$38.75Cheaper
$64.00

FAQ

When should I use GPT 5 instead of Grok 4.6?

GPT 5 and Grok 4.6 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Grok 4.6 cheaper than GPT 5?

Grok 4.6 input costs $2.00/MTok, which is 60% more than GPT 5 at $1.25/MTok.

What are the context window sizes for GPT 5 and Grok 4.6?

GPT 5 has a 272K token context window. Grok 4.6 has a 500K token context window.

Track your real costs

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