DeepSeek: DeepSeek-V4-Flash 0731 API
DeepSeek-V4-Flash-0731 is the official release of DeepSeek-V4-Flash, superseding the preview version, with substantially enhanced agentic capabilities. It has the same model structure as DeepSeek-V4-Flash-DSpark, i.e. it comes with a speculative decoding module attached.
- Context window: 1,000,000 tokens
- Max output: 384,000 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2026-07-30
Frequently Asked Questions
What is the context window of DeepSeek-V4-Flash 0731?
DeepSeek-V4-Flash 0731 supports a context window of up to 1,000,000 tokens.
Does DeepSeek-V4-Flash 0731 support function calling?
Yes. DeepSeek-V4-Flash 0731 supports tool / function calling.
Does DeepSeek-V4-Flash 0731 support reasoning?
Yes. DeepSeek-V4-Flash 0731 is a reasoning-capable model.