deepseek-v4-flash-0731 Free API on Cloudflare Workers AI

Free API Verified

Available from Cloudflare Workers AI

★★★★★★★★★★ 3.5 Benchmark-backed score

Official DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding

Free APIOpenAI compatibleReasoningTool callingJSON mode

Try in Playground Compare Save API Key

API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run

Model ID

@cf/deepseek-ai/deepseek-v4-flash-0731

API format Cloudflare Workers AI native run + OpenAI Chat Completions

Technical Details

deepseek-v4-flash-0731 specifications

Provider and model catalog

Context window 8K

Max output 4K

Status Online

Family deepseek-flash

Knowledge cutoff 2025-05

Released Jul 31, 2026

Last updated Jul 31, 2026

Free listing since Jul 31, 2026

Input text

Output text

Capabilities reasoning, tool calling, structured output, temperature control

Open weights Yes

Weights Hugging Face

External benchmark references

Benchmark	Score	Metric	Date
Terminal-Bench	82.7	pass@1	Not listed
NL2Repo	54.2	resolve rate	2026-07-31
CyberGym	76.7	score	2026-07-31
DeepSWE	54.4	resolve rate	2026-07-31

AI Recommendation

Should you use deepseek-v4-flash-0731?

deepseek-v4-flash-0731 is listed for chat workloads and supports a 8K context window.

Use it when Cloudflare Workers AI's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Reasoning mode listed
Tool calling support
Structured JSON output
Open weights available

Watch outs

Vision support is not listed

Benchmark Overview

Benchmark signals for deepseek-v4-flash-0731

Measured data

Intelligence General reasoning and instruction following

34.3/100

Coding Programming and code generation

69.1/100

Agentic Tool use and multi-step tasks

41/100

Speed Observed generation speed

147 tok/s

Context Maximum listed context window

Pricing

deepseek-v4-flash-0731 pricing per 1M tokens

Free tier listed

Input $0.14 per 1M tokens

Output $0.28 per 1M tokens

Access Available Cloudflare Workers AI

Availability

deepseek-v4-flash-0731 availability by provider

1 alternative

We found 2 provider listings for deepseek-v4-flash-0731. Check model ID, quota, pricing, and API format before switching providers.

Provider	Model listing	Access	Context	API	Limits
Cloudflare Workers AI	@cf/deepseek-ai/deepseek-v4-flash-0731	Free tier	8K	Native	Varies
Gonka Broker	deepseek-ai/DeepSeek-V4-Flash-0731	Free tier	400K	Native	~1M tokens/month (shared, varies by model)

View Cloudflare Workers AI setup guide →

Compare

deepseek-v4-flash-0731 alternatives to consider

Open comparison

Model	Provider	Context	Access
deepseek-ai/DeepSeek-V4-Flash-0731	Gonka Broker	400K	Free tier
Mistral 7B	Cloudflare Workers AI	33K	Free tier
Qwen 1.5 7B	Cloudflare Workers AI	33K	Free tier
@cf/meta/llama-3.3-70b-instruct-fp8-fast	Cloudflare Workers AI	24K	Free tier
@cf/meta/llama-4-scout-17b-16e-instruct	Cloudflare Workers AI	131K	Free tier

Typical Use Cases

deepseek-v4-flash-0731 use cases

Chat

deepseek-v4-flash-0731 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

deepseek-v4-flash-0731 free API FAQ

Is deepseek-v4-flash-0731 free to use?

deepseek-v4-flash-0731 is listed with free API access on Cloudflare Workers AI, subject to the provider's quota and account policy.

What is the deepseek-v4-flash-0731 model ID?

The model ID shown in this catalog is @cf/deepseek-ai/deepseek-v4-flash-0731.

What context window does deepseek-v4-flash-0731 support?

The listed context window is 8K tokens with up to 4K output tokens.

More about deepseek-v4-flash-0731