deepseek-v4-pro vs gpt-5.4-mini-2026-03-17
Pricing, Performance & Features Comparison
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)4.5s
Output Limit384K
Function Calling
JSON Mode
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InputText
OutputText
in$1.7out$3.5cache$0.15write$1.7
Latency (24h)
Success Rate (24h)
Input$0.75
Output$4.5
Latency (p50)3.1s
Output Limit128K
Function Calling
JSON Mode
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InputText, Image
OutputText
in$0.75out$4.5cache$0.075-