grok-4.3 vs deepseek-v4-flash

Pricing, Performance & Features Comparison

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)5.9s

Output Limit–

Function Calling

JSON Mode

InputText, Image

OutputText

xai

in$1.3out$2.5cache$0.2–

Latency (24h)

Success Rate (24h)

deepseek-v4-flash

Authordeepseek

Context Length1M

Reasoning

Providers1

ReleasedApr 2026

Knowledge Cutoff–

LicenseMIT License

Mixture-of-Experts model with 284B total parameters and 13B activated per token. Features hybrid attention architecture for efficient 1M context processing.

Input$0.14

Output$0.28

Latency (p50)7.2s

Output Limit384K

Function Calling

JSON Mode

InputText

OutputText

deepseek

in$0.14out$0.28cache$0.028write$0.14