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Model comparison Synced Apr 6, 2026

OpenAI: GPT-5 Chat vs xAI: Grok 3 Beta

Side-by-side comparison of OpenAI: GPT-5 Chat and xAI: Grok 3 Beta. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: GPT-5 Chat leads overall

OpenAI: GPT-5 Chat leads in price and max output, making it the stronger choice for most workflows. xAI: Grok 3 Beta remains a solid alternative depending on your specific needs.

Best for with OpenAI: GPT-5 Chat

Budget-conscious workflowsLong-form content generation

Best for with xAI: Grok 3 Beta

No clear advantages identified

Side-by-side

Technical specifications

OpenAI: GPT-5 Chat xAI: Grok 3 Beta
Provider OpenAI xAI
Input price $1/M $3/M
Output price $10/M $15/M
Context window 128K 131K
Max output 16K N/A
Capabilities
Vision
Tool use
Released Aug 7, 2025 Apr 9, 2025

Scoring breakdown

How each dimension compares

Price

OpenAI: GPT-5 Chat leads

OpenAI: GPT-5 Chat

$10/M tokens

xAI: Grok 3 Beta

$15/M tokens

Context Window

OpenAI: GPT-5 Chat

128K tokens

xAI: Grok 3 Beta

131K tokens

Capabilities

OpenAI: GPT-5 Chat

1/4

xAI: Grok 3 Beta

1/4

Max Output

OpenAI: GPT-5 Chat leads

OpenAI: GPT-5 Chat

16K tokens

xAI: Grok 3 Beta

N/A

Recency

OpenAI: GPT-5 Chat

Aug 2025

xAI: Grok 3 Beta

Apr 2025

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