DeepSeek-V4-Flash
DeepSeek-V4-Flash is DeepSeek's faster and more economical V4 model, supporting thinking and non-thinking modes through the current DeepSeek API.
Provider
DeepSeek
Model family
DeepSeek
LLM
Cost tier
Flash
Status
Current
Why teams choose it
Cost-aware reasoning depth
Helps teams that prioritize token economics but still want multi-step reasoning and strong coding assistance validated on their workloads.
Coding and tools
Works well for code assistance, tool calling, and agent workflows where instructions must stay consistent across steps.
Bench before you reroute traffic
Useful once you rerun your own evaluation harness—routing decisions should survive your retrieval shape, tooling, and safety filters.
Cost-efficient routing
Useful as part of a routing stack where cheap models handle drafts and confirmations and this tier handles genuinely hard passages.
Tradeoffs to know
- Use V4-Pro for highest-quality DeepSeek evaluations.
When not to use this
- Not ideal for sprawling research or brittle multi-hop reasoning unless you constrain scope tightly.
- Avoid for regulated or high-stakes outputs without evaluations that mimic your tooling, data, and review process.
- Promote traffic to heavier tiers inside the family when workflows need richer tools and longer horizons.
Technical specs
- Inputs
- text
- Outputs
- text
- Capabilities
- reasoning, tool calls, JSON output, long context, cost efficiency
- License
- Proprietary API
- Model string
deepseek-v4-flash
Benchmarks
No benchmark data yet.
DeepSeek family lineup
Current models
Previous versions
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