DeepSeek-V4-Pro-0813 (Reasoning)
by DeepSeek
DeepSeek-V4-Pro-0813 (Reasoning) is a reasoning model from DeepSeek, released on August 13, 2026. It has a 1M-token context window and can generate up to 1M output tokens. API pricing is $1.3 per 1M input tokens and $2.6 per 1M output tokens. It ranks #15 of 220 models by Intelligence Score with a score of 50.6.
DeepSeek-V4-Pro-0813 is the GA / production release of DeepSeek-V4-Pro, with major upgrades for agentic coding and tool-use workloads. It is served behind the official API id `deepseek-v4-pro` and is distinct from catalog `deepseek-v4-pro-max`, which is the maximum reasoning-effort mode of Pro rather than this dated GA build. Same Pro MoE scale as peers (1.6T total / 49B activated). It supports low, high, and max reasoning effort, a 1M-token context window, up to 384K output tokens, and DeepSeek's OpenAI-compatible Chat Completions and Responses APIs. GA open weights are on Hugging Face at `deepseek-ai/DeepSeek-V4-Pro-0813` (MIT), distinct from the April preview repo `deepseek-ai/DeepSeek-V4-Pro`. New time-of-day pricing takes effect August 16: peak rates are $0.044 cached input, $1.32 uncached input, and $3.96 output per million tokens; off-peak rates are half those amounts.
Key specs
| Provider | DeepSeek |
|---|---|
| Release date | 2026-08-13 |
| License | open source |
| Context window | 1M tokens |
| Max output | 1M tokens |
| Input price | $1.3 / 1M tokens |
| Output price | $2.6 / 1M tokens |
| Intelligence Score | 50.6 |
| Coding index | 38.7 |
| Output speed | 0 tokens/s |
Quick answers
What is the context window of DeepSeek-V4-Pro-0813 (Reasoning)?
DeepSeek-V4-Pro-0813 (Reasoning) has a context window of 1M tokens, with a maximum output of 1M tokens per response.
How much does DeepSeek-V4-Pro-0813 (Reasoning) cost?
DeepSeek-V4-Pro-0813 (Reasoning) costs $1.3 per 1M input tokens and $2.6 per 1M output tokens through the API.
Is DeepSeek-V4-Pro-0813 (Reasoning) open source?
Yes. DeepSeek-V4-Pro-0813 (Reasoning) is an open model released under the open source license.
When was DeepSeek-V4-Pro-0813 (Reasoning) released?
DeepSeek released DeepSeek-V4-Pro-0813 (Reasoning) on August 13, 2026.
How does DeepSeek-V4-Pro-0813 (Reasoning) compare to Claude Opus 5.5 (Reasoning)?
DeepSeek-V4-Pro-0813 (Reasoning) scores 50.6 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $1.3 vs $4 per 1M tokens.
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