Compare / head-to-head
DeepSeek V4.1 FlashvsQwen3-Coder-Plus
DeepSeek V4.1 Flash and Qwen3-Coder-Plus do not yet share a public benchmark, so quality cannot be compared apples-to-apples. DeepSeek V4.1 Flash is 6.8x cheaper per token. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
DeepSeek V4.1 Flash
6.8x cheaper, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100% · —
DeepSeek · Qwen
DeepSeek V4.1 Flash
DeepSeek · released 2026-09-10
textvision
Qwen3-Coder-Plus
Qwen · released 2025-07-22
text
Quality
Benchmark matrix
0 shared · 3 only DeepSeek V4.1 Flash · 1 only Qwen3-Coder-Plus| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder-Plus | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only DeepSeek V4.1 Flash reports · 3 | ||||
| GPQA Diamond | 90.9% ↗ | not reported | — | — |
| DeepSWE v1.1 | 74.2% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 90.6% ↗ | not reported | — | — |
| Only Qwen3-Coder-Plus reports · 1 | ||||
| SWE-bench Verified | not reported | 69.6% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is DeepSeek V4.1 Flash minus Qwen3-Coder-Plus in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | DeepSeek V4.1 Flash | Qwen3-Coder-Plus | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | 384K tokens | — | — |
| Input price / 1M | $0.14 ↗ | $0.574 ↗ | DeepSeek V4.1 Flash |
| Output price / 1M | $0.28 ↗ | $2.29 ↗ | DeepSeek V4.1 Flash |
| Cached input / 1M | $0.003 ↗ | $0.057 ↗ | DeepSeek V4.1 Flash |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $0.42 | $2.87 | DeepSeek V4.1 Flash |
| Modalities | text · vision | text | DeepSeek V4.1 Flash |
| Released | 2026-09-10 | 2025-07-22 | — |
| Cited benchmark scores | 3 | 1 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
DeepSeek V4.1 Flash vs …
Models sharing the most benchmarksMore matchups
Qwen3-Coder-Plus vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run DeepSeek V4.1 Flash and Qwen3-Coder-Plus on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.