head-to-head

Qwen: Qwen3.8 Omni Flash vs DeepSeek: DeepSeek V4.1 Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Qwen: Qwen3.8 Omni Flash DeepSeek: DeepSeek V4.1 Flash
Vendorqwendeepseek
Quality Score100100
Input Price$0.15/M$0.05/M
Output Price$0.47/M$0.57/M
Context Window1,000,0001,048,576
Max Output131,072943,718
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4.1 Flash costs $0.19 and Qwen3.8 Omni Flash costs $0.27, so DeepSeek V4.1 Flash is about 1.4 times cheaper for the same work.

Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.

Only Qwen3.8 Omni Flash offers audio input and video input.

Pick Qwen3.8 Omni Flash if you need audio input or video input; pick DeepSeek V4.1 Flash if you need lower cost.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Related comparisons

Anthropic: Claude Haiku 5.5 (batch) vs DeepSeek: DeepSeek V4.1 Flash Anthropic: Claude Haiku 5.5 (batch) vs Qwen: Qwen3.8 Omni Flash Anthropic: Claude Haiku 5.5 vs DeepSeek: DeepSeek V4.1 Flash Anthropic: Claude Haiku 5.5 vs Qwen: Qwen3.8 Omni Flash Anthropic: Claude Opus 5.5 (batch) vs DeepSeek: DeepSeek V4.1 Flash Anthropic: Claude Opus 5.5 (batch) vs Qwen: Qwen3.8 Omni Flash Anthropic: Claude Sonnet 5.5 (batch) vs DeepSeek: DeepSeek V4.1 Flash Anthropic: Claude Sonnet 5.5 (batch) vs Qwen: Qwen3.8 Omni Flash

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.