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DeepSeek V4 Pro (ByteDance)

DeepSeek V4 Pro is built around agent-style work rather than pure chat, designed to call tools, execute code, and carry multi-step workflows to completion. Its general-availability release, designated DeepSeek-V4-Pro-0813, was made available across DeepSeek's app, web, and API after a preview phase that began in April, signaling a shift from preview experimentation to production-style deployment. DeepSeek positioned the model explicitly for agent capabilities, framing Terminal Bench 2.1, DeepSWE, and NL2Repo as the relevant evaluation lenses because they measure whether a system can actually deliver results rather than just answer questions.

On those agent benchmarks, the GA version reached 87.9 on Terminal Bench 2.1, 62.7 on DeepSWE, and 61.5 on NL2Repo, with the Terminal Bench result sitting only fractionally behind leading Western frontier systems while undercutting them sharply on price. The model operates with up to a one-million-token context window and can produce outputs up to 384,000 tokens, supporting both thinking and non-thinking modes so developers can tune reasoning depth to task complexity. It also offers OpenAI Responses API compatibility out of the box, including Codex integration, making it a practical drop-in option for teams building coding assistants, automated debugging pipelines, and long-horizon research agents where deep tool use and sustained context matter most.

LLM Gatewaybytedance/deepseek-v4-prodeepseek-thinking

Quick Info

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Provider
LLM Gateway
Model key
bytedance/deepseek-v4-pro
Release date
Apr 24, 2026
Last updated
Apr 24, 2026
Knowledge cutoff
2025-05
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$1.32
Output token cost
$3.96

Limits

Output tokens
393,216 tokens
Context window
1,048,576 tokens

Transparent token rates

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Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about DeepSeek V4 Pro (ByteDance)

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Coverage

DeepSeek's API documentation was quietly updated late on August 12, 2026, switching the model version from the V4-Pro preview to "DeepSeek-V4-Pro-0813," with developers among the first to notice the change. Shortly afterwards, an evaluation comparison table leaked from an official DeepSeek group, prompting wide discuss The piece introduces the DeepSeek "Harness" agent product, noting that the official WeChat account "DeepSeek Harness Team" was registered on July 6, 2026, under Beijing Deepseek Artificial Intelligence Basic Technology Research Co., Ltd., and that on August 1 DeepSeek's Harness team lead Cui Tianyi publicly recruited b

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Coverage

DeepSeek officially launched its V4-Pro model on August 13, 2026, moving the general availability build, designated DeepSeek-V4-Pro-0813, from preview to full availability across DeepSeek's app, web interface, and API. The GA release is described by DeepSeek as focused on agent capabilities—tasks where AI systems use t The V4-Pro API update ships with native compatibility for the OpenAI Responses API format and includes built-in Codex integration, while thinking effort levels for V4-Pro and V4-Flash have been expanded to three settings—low, high, and max—so developers can tune compute intensity to task complexity. DeepSeek also annou

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