DeepSeek V4 Flash

deepseek-v4-flash · DeepSeek

(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-flash-0731)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.

API Pricing

Input$0.142 / 1M tokens
Output$0.284 / 1M tokens
Cache read$0.028 / 1M tokens

Specifications

Context1M tokens
Modalitiestext
Featurestool calling, function calling, structured outputs, thinking
Endpointschat_completions, claude_api

Frequently asked questions

What is DeepSeek V4 Flash?

(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-flash-0731)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.

What is the context length of DeepSeek V4 Flash?

DeepSeek V4 Flash has a 1,000,000 token context window.

How much does DeepSeek V4 Flash cost?

On AIHubMix, DeepSeek V4 Flash costs $0.142 per million input tokens and $0.284 per million output tokens. Cached input reads are billed at $0.028 per million tokens.

What modalities does DeepSeek V4 Flash support?

DeepSeek V4 Flash accepts text input.

What capabilities does DeepSeek V4 Flash support?

DeepSeek V4 Flash supports tool calling, function calling, structured outputs and thinking. Per-protocol parameter support is listed in the capability table on this page.

How do I call DeepSeek V4 Flash via API?

DeepSeek V4 Flash is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to deepseek-v4-flash — no other code changes needed.

Who created DeepSeek V4 Flash?

DeepSeek V4 Flash is developed by DeepSeek. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use DeepSeek V4 Flash via the AIHubMix unified API — one interface for every major LLM.