DeepSeek V4 Flash Base vs Qwen3 Coder Plus
At a Glance
| Compare |  DeepSeek V4 Flash BaseDeepSeek |  Qwen3 Coder PlusQwen |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $0.65Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $3.25Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 1,049K | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 3, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | DeepSeek-V4-Flash-Base | Qwen3 Coder Plus |
|---|---|---|
| Developer | DeepSeek | Qwen |
| Family | Deepseek V4 Flash Base | Qwen3 Coder |
| Model | DeepSeek-V4-Flash-Base | Qwen3 Coder Plus |
| Version | DeepSeek-V4-Flash-Base | Qwen3 Coder Plus |
| Lifecycle | active | active |
| Released | 2026-04-24 | 2025-09-23 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 1,049K | 1,000K |
| Total parameters | 292B | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Alibaba Cloud Model Studio (Standard), Openrouter (Standard) |
| Capabilities | generation | agents, chat, generation, reasoning, structured_outputs, tools |
DeepSeek V4 Flash Base Capabilities
Qwen3 Coder Plus Capabilities
Related Comparisons
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|---|---|---|---|
DeepSeek-V4-Flash-BaseDeepSeek | vs |  GPT-6 AstraOpenAI | cross-developer peerstext |
Claude Fable 5.1Anthropic | vs | DeepSeek-V4-Flash-BaseDeepSeek | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs | DeepSeek-V4.1-FlashDeepSeek | family variantstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs | Grok 4.6xAI | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs | Qwen3.8-MaxQwen | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs |  Kimi-K3Moonshot AI | cross-developer peerstext |
 MiniMax-M3MiniMax | vs | DeepSeek-V4-Flash-BaseDeepSeek | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs |  GLM-5.3Z.ai | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | DeepSeek-V4-Flash-BaseDeepSeek | cross-developer peerstext |
DeepSeek-V4-Flash-BaseDeepSeek | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
DeepSeek V4 Flash Base vs Qwen3 Coder Plus FAQs
Is DeepSeek V4 Flash Base or Qwen3 Coder Plus better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash Base and Qwen3 Coder Plus, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
Only Qwen3 Coder Plus has a directly sourced input price: $0.65 per million tokens. Only Qwen3 Coder Plus has a directly sourced output price: $3.25 per million tokens.
Which has a larger context window, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
DeepSeek V4 Flash Base has the larger sourced context window. DeepSeek V4 Flash Base supports 1,049K and Qwen3 Coder Plus supports 1,000K.
Which performs better in benchmarks, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can DeepSeek V4 Flash Base or Qwen3 Coder Plus be self-hosted?+
DeepSeek V4 Flash Base is the only model in this pair currently marked as self-hostable. DeepSeek V4 Flash Base is open weight; Qwen3 Coder Plus is not marked open weight.
Can DeepSeek V4 Flash Base and Qwen3 Coder Plus understand images?+
DeepSeek V4 Flash Base is not documented with image input; Qwen3 Coder Plus is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
Neither has a larger sourced maximum output. DeepSeek V4 Flash Base is — and Qwen3 Coder Plus is —.
Do DeepSeek V4 Flash Base and Qwen3 Coder Plus support reasoning and tool use?+
DeepSeek V4 Flash Base: none of these features are definitively sourced. Qwen3 Coder Plus: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
DeepSeek V4 Flash Base has 0 sourced provider routes; Qwen3 Coder Plus has 2, so Qwen3 Coder Plus has broader tracked availability.
Which offers better value, DeepSeek V4 Flash Base or Qwen3 Coder Plus?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.