DeepSeek V4 Pro
Open MoE flagship with million-token context for coding and long agent runs
ECI STANDING#52 of 266
SCORE149.09147.52–150.74 CI
FRONTIER LAGLaunched 8.5 months behindScores about what GPT-5 did in August 2025.
SCORES LIKE THESE MODELS
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GPT-5.4 MiniOpenAI · Mar 2026148.96InklingThinking Machines · Jul 2026148.64
From the lab
Launch announcement · Aug 13, 2026DeepSeek-V4-Pro GA ReleaseRELEASE DATEApr 24, 2026
WEIGHTSOpen weights
CONTEXT WINDOW1M
MAX OUTPUT384K
REASONINGYes
TOOL CALLINGYes
INPUTStext
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.