DeepSeek V4.1 Flash vs Qwen3.8 Max 0902
Select two models to compare their coding performance, pricing, and features.
Key Takeaways
| Metric | DeepSeek V4.1 Flash | Qwen3.8 Max 0902 |
|---|---|---|
| Coding Index | — Score awaiting verification | — Score awaiting verification |
| Coding tier | A+? Provisional · source review pending | A+? Provisional · source review pending |
| Input Price | $0.3/1M | $2/1M |
| Output Price | $1.2/1M | $6/1M |
| Context Window | 1.05M | 1M |
DeepSeek V4 Flash 0731 = 100. The index reflects two shared tests, not capability multiples or statistically established gaps.
Verdict
Qwen3.8 Max 0902 has a provisional A+ tier pending original-source review, with no numeric rank or comparable index. A transcribed AA index is not independent verification.
DeepSeek V4.1 Flash
Off-peak: $0.15 / $0.60 · 1M
Peak: Monday–Friday, UTC 01:00–04:00 and 06:00–10:00; off-peak at other times. Input prices assume a cache miss.
Benchmark evidence and ranking method · DeepSeek V4.1 Flash
Provisional · source review pending
DeepSeek V4.1 Flash is provisionally A+ by editorial judgment, with low confidence. Early community feedback is mixed; the concrete coding comparison concerns GLM-5.3 Flash, not GLM-5.3. No comparable independent Coding Index is available.
Hacker News 1Hacker News 2Hacker News 3
ModelRank assigns editorial tiers using public coding evidence, not automatic index thresholds or statistically proven classes. Price, speed, context size and sponsorship do not affect tiers.
DeepSeek V4 Flash 0731 = 100. The index reflects two shared tests, not capability multiples or statistically established gaps.
Results reflect particular model configurations. Agent harnesses, reasoning effort, tools, budgets and tasks may differ. Close indices do not establish superiority. B describes a relative position in this selected group, not an inability to code.
Data checked: 2026-09-10. Snapshot date is the retrieval date, not necessarily the evaluation date.
Qwen3.8 Max 0902
Benchmark evidence and ranking method · Qwen3.8 Max 0902
Provisional · source review pending
Qwen3.8 Max 0902 has a provisional A+ tier pending original-source review, with no numeric rank or comparable index. A transcribed AA index is not independent verification.
OpenRouter · qwen/qwen3.8-max-0902 · AA Coding Index: 71.8
ModelRank assigns editorial tiers using public coding evidence, not automatic index thresholds or statistically proven classes. Price, speed, context size and sponsorship do not affect tiers.
DeepSeek V4 Flash 0731 = 100. The index reflects two shared tests, not capability multiples or statistically established gaps.
Results reflect particular model configurations. Agent harnesses, reasoning effort, tools, budgets and tasks may differ. Close indices do not establish superiority. B describes a relative position in this selected group, not an inability to code.
Data checked: 2026-09-10. Snapshot date is the retrieval date, not necessarily the evaluation date.
Results reflect particular model configurations. Agent harnesses, reasoning effort, tools, budgets and tasks may differ. Close indices do not establish superiority. B describes a relative position in this selected group, not an inability to code.
API cost estimate
1M input + 200K output (USD):
DeepSeek V4.1 Flash: $0.5400
Qwen3.8 Max 0902: $3.2000
Estimates use the displayed channel and time band; DeepSeek uses peak rates. Cache discounts, tool fees, long-context price tiers and uncounted additional tokens are excluded.
Frequently Asked Questions
Which model is better for coding: DeepSeek V4.1 Flash or Qwen3.8 Max 0902?
A comparable reference index is unavailable for one or both models; no index-based winner is assigned. Editorial tiers: DeepSeek V4.1 Flash = A+ · Provisional · source review pending; Qwen3.8 Max 0902 = A+ · Provisional · source review pending. Tiers are separate editorial assessments and do not establish a reliable order within a tier.
How do DeepSeek V4.1 Flash and Qwen3.8 Max 0902 compare in API pricing and costs?
DeepSeek V4.1 Flash: $0.3/1M input, $1.2/1M output (Official · peak); Qwen3.8 Max 0902: $2/1M input, $6/1M output (OpenRouter quote). 1M input + 200K output (USD): $0.5400 vs $3.2000.
What are the context window sizes of DeepSeek V4.1 Flash and Qwen3.8 Max 0902?
DeepSeek V4.1 Flash provides a 1,048,576 token context window, while Qwen3.8 Max 0902 provides 1,000,000 tokens.