deepseek/deepseek-v4-flash-0731Open WeightsOfficial DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding
TECHNICAL SPECIFICATIONS
MODEL CONTEXT PROTOCOL (MCP) READINESS
✓ DeepSeek V4 Flash 0731 natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.
MCP Context Window Recommendations
With a context capacity of 1,000,000 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.
STANDARDIZED BENCHMARKS & EVALS
API CALL INVOCATION EXAMPLE
// Example: Calling DeepSeek V4 Flash 0731 via OpenAI SDK
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.DEEPSEEK_API_KEY,
});
const response = await client.chat.completions.create({
model: "deepseek/deepseek-v4-flash-0731",
messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});
console.log(response.choices[0].message.content);PRICING BY PROVIDER
Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.
This model supports prompt caching at $0.06 / 1M tokens, saving up to 27% on repetitive MCP tool definitions and system instructions.
MODEL RESOURCES
More Models by DeepSeek
Alternative and family models from the same lab
October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding
DeepSeek V4 Pro snapshot with million-token context and support for thinking and non-thinking modes
DeepSeek V4 Pro initial snapshot with million-token context and support for thinking and non-thinking modes