deepseek-v4-pro vs grok-4.3

Pricing, Performance & Features Comparison

deepseek-v4-pro

Authordeepseek

Context Length1M

Reasoning

Providers1

ReleasedApr 2026

Knowledge Cutoff–

LicenseMIT License

Flagship Mixture-of-Experts model with 1.6T total parameters and 49B activated per token. Trained on 32T+ tokens with hybrid attention for efficient 1M context processing.

Input$1.7

Output$3.5

Latency (p50)–

Output Limit384K

Function Calling

JSON Mode

InputText

OutputText

deepseek

in$1.7out$3.5cache$0.15write$1.7

grok-4.3

Authorxai

Context Length1M

Reasoning

Providers1

ReleasedApr 2026

Knowledge Cutoff–

License–

xAI’s value flagship with a 1M-token context window and unified reasoning effort control; the retirement redirect target for the grok-3 and grok-4 generations.

Input$1.3

Output$2.5

Latency (p50)–

Output Limit–

Function Calling

JSON Mode

InputText, Image

OutputText

xai

in$1.3out$2.5cache$0.2–