DeepSeek V4.1 Flash 1017 vs Qwen3.8 Flash: API Pricing, Limits & Cost Delta
Side-by-side 2026 engineering comparison between DeepSeek DeepSeek V4.1 Flash 1017 and Qwen Qwen3.8 Flash—covering uncached input, cached prefix reads, output rates, max completion tokens, and live 30-day workload savings.
Interactive Workload Cost Delta Simulator
Side-by-Side Unit Price & Capability Matrix
| Dimension | DeepSeek V4.1 Flash 1017 | Qwen3.8 Flash |
|---|---|---|
| Provider & Release Date | DeepSeek (2026-10-17) | Qwen (2026-08-26) |
| Primary Workload Tier | Fast & Efficient | Coding & Agent |
| Uncached Input ($ / 1M tokens) | $0.038 | $0.15 |
| Cached Prompt Read ($ / 1M tokens) | $0.01 | $0.016 |
| Output Completion ($ / 1M tokens) | $0.5 | $0.47 |
| 50% Async Batch API | Not listed | Supported |
| Context Window (tokens) | 1,048,576 | 1,000,000 |
| Max Output Tokens | 943,718 | 131,072 |
| Function / Tool Calling | Supported | Supported |
| Strict JSON Schema Outputs | Supported | Supported |
| Reasoning Token Mode | Supported | Supported |
| Accepted Input Modalities | text, image | text, image, video |
Decision Rubric: When to Pick DeepSeek V4.1 Flash 1017 vs Qwen3.8 Flash
When to choose DeepSeek V4.1 Flash 1017 (DeepSeek)
Select DeepSeek V4.1 Flash 1017 when your workload prioritizes its Fast & Efficient profile ($0.038/1M input, $0.01/1M cached read, $0.5/1M output) with up to 1,048,576 context tokens and 943,718 max output tokens (real-time synchronous execution).
DeepSeek V4.1 Flash 1017 full pricing sheet →When to choose Qwen3.8 Flash (Qwen)
Select Qwen3.8 Flash when your workload prioritizes its Coding & Agent profile ($0.15/1M input, $0.016/1M cached read, $0.47/1M output) with up to 1,000,000 context tokens and 131,072 max output tokens (50% Batch API supported).
Qwen3.8 Flash full pricing sheet →Frequently Asked Questions
Is DeepSeek V4.1 Flash 1017 cheaper than Qwen3.8 Flash for production API workloads?
On standard uncached rates, DeepSeek V4.1 Flash 1017 bills $0.038/1M input and $0.5/1M output versus Qwen3.8 Flash at $0.15/1M input and $0.47/1M output. On a typical 1,000 calls/day workload (4,000 input tokens at 50% cache hit + 800 output tokens), DeepSeek V4.1 Flash 1017 saves $6.36/month (30% lower).
How do DeepSeek V4.1 Flash 1017 and Qwen3.8 Flash compare on context window and max output tokens?
DeepSeek V4.1 Flash 1017 offers a 1,048,576-token context window with 943,718 max output tokens (text, image), while Qwen3.8 Flash provides a 1,000,000-token context window with 131,072 max output tokens (text, image, video).
Can I switch between DeepSeek V4.1 Flash 1017 and Qwen3.8 Flash with strict JSON Schema tool calling?
Both models can be evaluated locally in DevToken: DeepSeek V4.1 Flash 1017 (tools: Supported, strict JSON Schema: Supported) vs Qwen3.8 Flash (tools: Supported, strict JSON Schema: Supported). Always verify rate-limit headroom in the 429 Calculator before cutover.