AI Recommendation
Should you use DeepSeek V4 Flash?
DeepSeek V4 Flash is listed for chat workloads and supports a 1.0M context window.
Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.
DeepSeek V4 Flash Free API on OpenCode Zen
Free API VerifiedFast DeepSeek V4 lane for economical reasoning, coding, and long-context work
Free APIOpenAI compatibleReasoningTool callingJSON modeReasoning
API Details
Copy-ready connection details
Base URL
https://opencode.ai/zen/v1 Model ID
deepseek-v4-flash API format OpenAI Chat Completions
Technical Details
DeepSeek V4 Flash specifications
Context window 1.0M
Max output 384K
Status Online
Family deepseek-flash
Knowledge cutoff 2025-05
Released Apr 24, 2026
Last updated Apr 24, 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 |
|---|---|---|---|
| SWE-Bench Verified | 79 | resolved | Not listed |
| MMLU-Pro | 86.2 | EM | Not listed |
| SimpleQA-Verified | 34.1 | pass@1 | Not listed |
| Chinese SimpleQA | 78.9 | pass@1 | Not listed |
Best for
- Chat
Strengths & Weaknesses
Strengths
- Long context window
- Reasoning mode listed
- Tool calling support
- Structured JSON output
Watch outs
- Vision support is not listed
Benchmark Overview
Benchmark signals for DeepSeek V4 Flash
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
174 tok/s Context Maximum listed context window
1.0M Pricing
DeepSeek V4 Flash pricing per 1M tokens
Input $0.44 per 1M tokens
Output $1.32 per 1M tokens
Access Available OpenCode Zen
Availability
DeepSeek V4 Flash availability by provider
We found 2 provider listings for deepseek-v4-flash. Check model ID, quota, pricing, and API format before switching providers.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | DeepSeek V4 Flash | Free tier | 1.0M | Native | Varies |
| | deepseek-ai/DeepSeek-V4-Flash | Free tier | 8K | Native | Varies |
Compare
DeepSeek V4 Flash alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| deepseek-ai/DeepSeek-V4-Flash | ModelScope | 8K | Free tier |
| big-pickle | OpenCode Zen | N/A | Free tier |
| DeepSeek V4 Flash | OpenCode Zen | 1.0M | Check provider |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Check provider |
| Nemotron 3 Ultra 550B A55B | OpenCode Zen | 1.0M | Check provider |
Typical Use Cases
DeepSeek V4 Flash use cases
Chat
DeepSeek V4 Flash is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
FAQ
DeepSeek V4 Flash free API FAQ
Is DeepSeek V4 Flash free to use?
DeepSeek V4 Flash is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.
What is the DeepSeek V4 Flash model ID?
The model ID shown in this catalog is deepseek-v4-flash.
What context window does DeepSeek V4 Flash support?
The listed context window is 1.0M tokens with up to 384K output tokens.
More about DeepSeek V4 Flash
Free DeepSeek V4 Flash API.
For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.