DeepSeek V4 Pro

DeepSeek

Best open-weight coder. MIT license, 1M context, 49B active MoE.

Open-weightMIT1M contextReleased Apr 2026textcode

API price · per 1M tokens

$0.435/$0.87

input / output

≈ $0.54/M blended

Benchmarks

Bar shows this model's score; tick shows the best score across all tracked models for context.

SWE-bench VerifiedReal GitHub issues, human-verified patches. The standard coding-agent benchmark.

83.7/ best 90.1

SWE-bench Pro2,294 harder real-world GitHub issues. Where the frontier separates now.

55.4/ best 69.2

Terminal-Bench 2.xAgentic command-line workflows — planning, iteration, tool coordination.

67.9/ best 84.0

GPQA DiamondGoogle-proof graduate-level science Q&A. General reasoning proxy.

85.0/ best 94.4

MMLU-ProMulti-task language understanding across 120+ academic subjects.

82.0/ best 93.0

HumanEval+Functional code generation from docstrings.

91.0/ best 96.0

MATH-500Competition-style math problems.

94.2/ best 97.8

Humanity's Last ExamHardest reasoning benchmark (with tools). ~50% = near frontier.

38.0/ best 57.9

AIME 2025American Invitational Mathematics Examination.

88.0/ best 96.5

Other DeepSeek models

DeepSeek V4 Flash

Open-weight

≈$0.18/M

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