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DeepSeek

A cost-conscious AI assistant and API platform for reasoning, coding, and agent workflows.

DeepSeek is an AI assistant and developer platform offering hosted model APIs, including the V4-Flash public beta for agent and coding workflows.

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deepseekJul 31, 2026

DeepSeek releases V4-Flash API in public beta

DeepSeek says the July 31 V4-Flash update improves agent performance, supports the Responses API natively, and is adapted for Codex. The V4-Pro API and app/web models are unchanged.

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About DeepSeek

DeepSeek is an AI assistant and developer platform offering hosted model APIs, including the V4-Flash public beta for agent and coding workflows.

⚠️ Not Recommended For

Teams that require a public-beta model to have a production-grade stability guaranteeOrganizations that cannot evaluate data handling, regional availability, and compliance requirements before adoptionUsers who need every DeepSeek model surface to update at the same time

💬 Frequently Asked Questions

What is DeepSeek V4-Flash?

DeepSeek V4-Flash is an API model released in public beta on July 31, 2026. DeepSeek positions it for stronger agent and coding workflows.

Does V4-Flash update every DeepSeek product?

No. DeepSeek states that the July 31 update changes only the V4-Flash API; V4-Pro and the app/web models are unchanged.

Does DeepSeek V4-Flash support the Responses API?

Yes. DeepSeek says V4-Flash natively supports the Responses API format and is specifically adapted for Codex-style workflows.

Should I switch production workloads immediately?

Test representative tasks first. Compare output quality, tool use, latency, reliability, and total cost before changing a production default while the release remains in public beta.