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 Verified Catalog metadata matched Reasoning models.dev metadata
Fast 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-free 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 Jun 28, 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 |
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
Pricing
DeepSeek V4 Flash pricing per 1M tokens
Input $0 per 1M tokens
Output $0 per 1M tokens
Free access Available OpenCode Zen
Availability
DeepSeek V4 Flash availability by provider
We only found this DeepSeek V4 Flash listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | DeepSeek V4 Flash | Free tier | 1.0M | Native | Varies |
Compare
DeepSeek V4 Flash alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| big-pickle | OpenCode Zen | N/A | Free tier |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Free tier |
| Nemotron 3 Ultra 550B A55B | OpenCode Zen | 1.0M | Free tier |
| North Mini Code | OpenCode Zen | 256K | Free tier |
| Hy3 preview | OpenCode Zen | 256K | Free tier |
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-free.
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.