Skip to content
AI Viewer
Model comparison Synced Apr 6, 2026

DeepSeek: R1 0528 vs OpenAI: o3 Mini High

Side-by-side comparison of DeepSeek: R1 0528 and OpenAI: o3 Mini High. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

moderate confidence

OpenAI: o3 Mini High leads overall

OpenAI: o3 Mini High leads in context window and max output, making it the stronger choice for most workflows. DeepSeek: R1 0528 remains competitive with advantages in price.

Best for with DeepSeek: R1 0528

Budget-conscious workflows

Best for with OpenAI: o3 Mini High

Long document processingLong-form content generation

Side-by-side

Technical specifications

DeepSeek: R1 0528 OpenAI: o3 Mini High
Provider DeepSeek OpenAI
Input price $0.45/M $1/M
Output price $2/M $4/M
Context window 164K 200K
Max output 66K 100K
Capabilities
Tool useReasoning
Tool useReasoning
Released May 28, 2025 Feb 12, 2025

Scoring breakdown

How each dimension compares

Price

DeepSeek: R1 0528 leads

DeepSeek: R1 0528

$2/M tokens

OpenAI: o3 Mini High

$4/M tokens

Context Window

OpenAI: o3 Mini High leads

DeepSeek: R1 0528

164K tokens

OpenAI: o3 Mini High

200K tokens

Capabilities

DeepSeek: R1 0528

2/4

OpenAI: o3 Mini High

2/4

Max Output

OpenAI: o3 Mini High leads

DeepSeek: R1 0528

66K tokens

OpenAI: o3 Mini High

100K tokens

Recency

DeepSeek: R1 0528

May 2025

OpenAI: o3 Mini High

Feb 2025

Related comparisons