Model comparison Synced Mar 10, 2026

DeepSeek: DeepSeek V3.1 Terminus (exacto) vs Qwen: Qwen3.5 Plus 2026-02-15

Side-by-side comparison of DeepSeek: DeepSeek V3.1 Terminus (exacto) and Qwen: Qwen3.5 Plus 2026-02-15. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Qwen: Qwen3.5 Plus 2026-02-15 leads overall

Qwen: Qwen3.5 Plus 2026-02-15 leads in context window and capabilities and max output, making it the stronger choice for most workflows. DeepSeek: DeepSeek V3.1 Terminus (exacto) remains competitive with advantages in price.

Best for with DeepSeek: DeepSeek V3.1 Terminus (exacto)

Budget-conscious workflows

Best for with Qwen: Qwen3.5 Plus 2026-02-15

Long document processingMulti-modal tasksLong-form content generation

Side-by-side

Technical specifications

	DeepSeek: DeepSeek V3.1 Terminus (exacto)	Qwen: Qwen3.5 Plus 2026-02-15
Provider	DeepSeek	Qwen
Input price	$0.21/M	$0.26/M
Output price	$0.79/M	$2/M
Context window	164K	1.0M
Max output	N/A	66K
Capabilities	Tool useReasoning	Tool useVisionReasoning
Released	Sep 22, 2025	Feb 16, 2026

View DeepSeek: DeepSeek V3.1 Terminus (exacto) profile View Qwen: Qwen3.5 Plus 2026-02-15 profile

Scoring breakdown