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Model comparison Synced Mar 10, 2026

DeepSeek: DeepSeek V3.1 Terminus (exacto) vs OpenAI: GPT-4.1 Mini

Side-by-side comparison of DeepSeek: DeepSeek V3.1 Terminus (exacto) and OpenAI: GPT-4.1 Mini. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: GPT-4.1 Mini leads overall

OpenAI: GPT-4.1 Mini leads in context window 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 OpenAI: GPT-4.1 Mini

Long document processingLong-form content generation

Side-by-side

Technical specifications

DeepSeek: DeepSeek V3.1 Terminus (exacto) OpenAI: GPT-4.1 Mini
Provider DeepSeek OpenAI
Input price $0.21/M $0.40/M
Output price $0.79/M $2/M
Context window 164K 1.0M
Max output N/A 33K
Capabilities
Tool useReasoning
Tool useVision
Released Sep 22, 2025 Apr 14, 2025

Scoring breakdown

How each dimension compares

Price

DeepSeek: DeepSeek V3.1 Terminus (exacto) leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

$0.79/M tokens

OpenAI: GPT-4.1 Mini

$2/M tokens

Context Window

OpenAI: GPT-4.1 Mini leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

164K tokens

OpenAI: GPT-4.1 Mini

1.0M tokens

Capabilities

DeepSeek: DeepSeek V3.1 Terminus (exacto)

2/4

OpenAI: GPT-4.1 Mini

2/4

Max Output

OpenAI: GPT-4.1 Mini leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

N/A

OpenAI: GPT-4.1 Mini

33K tokens

Recency

DeepSeek: DeepSeek V3.1 Terminus (exacto)

Sep 2025

OpenAI: GPT-4.1 Mini

Apr 2025

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