DeepSeek V3.2 vs DeepSeek V4 Flash
DeepSeek V3.2 (2025) and DeepSeek V4 Flash (2026) are frontier reasoning models from DeepSeek. DeepSeek V3.2 ships a 160K-token context window, while DeepSeek V4 Flash ships a 1M-token context window. On Google-Proof Q&A, DeepSeek V4 Flash leads by 4.1 pts. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
DeepSeek V4 Flash fits 6x more tokens; pick it for long-context work and DeepSeek V3.2 for tighter calls.
Specs
| Released | 2025-01-01 | 2026-04-24 |
| Context window | 160K | 1M |
| Parameters | 671B | 284B |
| Architecture | decoder only | mixture of experts |
| License | Open Source | MIT |
| Knowledge cutoff | - | - |
Pricing and availability
| DeepSeek V3.2 | DeepSeek V4 Flash | |
|---|---|---|
| Input price | $0.26/1M tokens | - |
| Output price | $0.42/1M tokens | - |
| Providers | - |
Capabilities
| DeepSeek V3.2 | DeepSeek V4 Flash | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
| Benchmark | DeepSeek V3.2 | DeepSeek V4 Flash |
|---|---|---|
| Google-Proof Q&A | 84.0 | 88.1 |
Deep dive
On shared benchmark coverage, Google-Proof Q&A has DeepSeek V3.2 at 84 and DeepSeek V4 Flash at 88.1, with DeepSeek V4 Flash ahead by 4.1 points. The largest visible gap is 4.1 points on Google-Proof Q&A, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on reasoning mode: DeepSeek V4 Flash, function calling: DeepSeek V4 Flash, tool use: DeepSeek V4 Flash, and code execution: DeepSeek V3.2. Both models share structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: DeepSeek V3.2 has $0.26/1M input tokens and DeepSeek V4 Flash has no token price sourced yet. Provider availability is 4 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose DeepSeek V3.2 when coding workflow support and broader provider choice are central to the workload. Choose DeepSeek V4 Flash when reasoning depth and larger context windows are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, DeepSeek V3.2 or DeepSeek V4 Flash?
DeepSeek V4 Flash supports 1M tokens, while DeepSeek V3.2 supports 160K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is DeepSeek V3.2 or DeepSeek V4 Flash open source?
DeepSeek V3.2 is listed under Open Source. DeepSeek V4 Flash is listed under MIT. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for reasoning mode, DeepSeek V3.2 or DeepSeek V4 Flash?
DeepSeek V4 Flash has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, DeepSeek V3.2 or DeepSeek V4 Flash?
DeepSeek V4 Flash has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, DeepSeek V3.2 or DeepSeek V4 Flash?
DeepSeek V4 Flash has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run DeepSeek V3.2 and DeepSeek V4 Flash?
DeepSeek V3.2 is available on Fireworks AI, NVIDIA NIM, AWS Bedrock, and OpenRouter. DeepSeek V4 Flash is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-04-24. Data sourced from public model cards and provider documentation.