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Model comparison Synced Apr 6, 2026

OpenAI: GPT-5 Nano vs Perplexity: Sonar

Side-by-side comparison of OpenAI: GPT-5 Nano and Perplexity: Sonar. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: GPT-5 Nano leads overall

OpenAI: GPT-5 Nano leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. Perplexity: Sonar remains a solid alternative depending on your specific needs.

Best for with OpenAI: GPT-5 Nano

Budget-conscious workflowsLong document processingMulti-modal tasksLong-form content generation

Best for with Perplexity: Sonar

No clear advantages identified

Side-by-side

Technical specifications

OpenAI: GPT-5 Nano Perplexity: Sonar
Provider OpenAI Perplexity
Input price $0.05/M $1/M
Output price $0.40/M $1/M
Context window 400K 127K
Max output 128K N/A
Capabilities
Tool useVisionReasoning
Vision
Released Aug 7, 2025 Jan 27, 2025
View OpenAI: GPT-5 Nano profile View Perplexity: Sonar profile

Scoring breakdown

How each dimension compares

Price

OpenAI: GPT-5 Nano leads

OpenAI: GPT-5 Nano

$0.40/M tokens

Perplexity: Sonar

$1/M tokens

Context Window

OpenAI: GPT-5 Nano leads

OpenAI: GPT-5 Nano

400K tokens

Perplexity: Sonar

127K tokens

Capabilities

OpenAI: GPT-5 Nano leads

OpenAI: GPT-5 Nano

3/4

Perplexity: Sonar

1/4

Max Output

OpenAI: GPT-5 Nano leads

OpenAI: GPT-5 Nano

128K tokens

Perplexity: Sonar

N/A

Recency

OpenAI: GPT-5 Nano

Aug 2025

Perplexity: Sonar

Jan 2025

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