GrokvsDeepSeek

Grok 4.3 vs DeepSeek Flash

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

Pricing

Side-by-side pricing

Grok 4.3

Mid-tier

DeepSeek Flash

Fast / Budget
Input $/MTok
$1.25
$0.15
Output $/MTok
$2.50
$0.60
Cache discount
84% off
98% off
Context
1M
1M

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
39
vs
0
Code Review
0
vs
0
Summarization
60
vs
0
Q&A
0
vs
0
Extraction
70
vs
0
Reasoning
71
vs
0
Classification
0
vs
0
Creative Writing
71
vs
0
Grok 4.3
DeepSeek Flash

Guidance

When to use Grok 4.3 vs DeepSeek Flash

Choose Grok 4.3 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek Flash when...

  • -Cost matters: 88% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Grok 4.3
DeepSeek Flash
100K tokens
$0.16
$0.03Cheaper
1M tokens
$3.25
$0.28Cheaper
10M tokens
$32.50
$2.85Cheaper

FAQ

When should I use Grok 4.3 instead of DeepSeek Flash?

Grok 4.3 and DeepSeek Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek Flash cheaper than Grok 4.3?

Yes. DeepSeek Flash input costs $0.15/MTok vs $1.25/MTok for Grok 4.3, saving 88% on input.

What are the context window sizes for Grok 4.3 and DeepSeek Flash?

Grok 4.3 has a 1M token context window. DeepSeek Flash has a 1M token context window.

Track your real costs

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