Workers AI - DeepSeek V4 Flash and Pro now available on Workers AI

<p><a href="https://developers.cloudflare.com/workers-ai/models/deepseek-v4-pro-0813/"><code>@cf/deepseek-ai/deepseek-v4-pro-0813</code></a> and <a href="https://developers.cloudflare.com/workers-ai/models/deepseek-v4-flash-0731/"><code>@cf/deepseek-ai/deepseek-v4-flash-0731</code></a> are now available on Workers AI.</p> <p>DeepSeek V4 Flash and DeepSeek V4 Pro are the first Workers AI models with a full <strong>one million (1,048,576) token context window</strong>. Use them for long-horizon agentic workflows, large codebases, and multi-step reasoning that exceed the context limits of every other model hosted on the platform.</p> <p>DeepSeek V4 Flash is the faster, lower-cost sibling. This release supersedes the preview version with substantially enhanced agentic capabilities.</p> <p><strong>Key capabilities:</strong></p> <ul> <li><strong>Reasoning</strong>: Both models support thinking mode for complex, step-by-step problem-solving.</li> <li><strong>Function calling</strong>: Build agents that invoke tools and APIs across multiple conversation turns.</li> <li><strong>Long context</strong>: Both models support a full 1,048,576 token context window.</li> </ul> <p>Both models require the <a href="https://developers.cloudflare.com/workers/platform/pricing/#workers">Workers Paid plan</a> or prepaid <a href="https://developers.cloudflare.com/ai-gateway/features/unified-billing/">AI Gateway credits</a>.</p> <p>Use these models through the <a href="https://developers.cloudflare.com/workers-ai/configuration/bindings/">Workers AI binding</a> (<code>env.AI.run()</code>), the REST API, the <a href="https://developers.cloudflare.com/workers-ai/configuration/open-ai-compatibility/">OpenAI-compatible endpoint</a>, or <a href="https://developers.cloudflare.com/ai-gateway/">AI Gateway</a>.</p> <p>For more information, refer to the <a href="https://developers.cloudflare.com/workers-ai/models/deepseek-v4-pro-0813/">DeepSeek V4 Pro model page</a>, the <a href="https://developers.cloudflare.com/workers-ai/models/deepseek-v4-flash-0731/">DeepSeek V4 Flash model page</a>, and <a href="https://developers.cloudflare.com/workers-ai/platform/pricing/">pricing</a>.</p>