LLM Comparison

GPT-5.4 Pro vs Sonar Pro

Side-by-side specs, pricing & capabilities · Updated May 2026

Price vs Intelligence

927049276$6.30$38.85$71.40$103.95$136.50Avg Price per M tokensIntelligenceGPT-5.4 Pro81.5 / $105.00Sonar Pro15.5 / $9.00

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2/6 models
Same tier:
 OpenAIGPT-5.4 ProPerplexity AISonar Pro
OrganizationOpenAIOpenAIPerplexity AIPerplexity AI
OpenTools Score
82
0.8
16
1.7
FamilyGPTSonar
StatusCurrentCurrent
Release DateMar 2026Mar 2025
Context Window1.1M tokens200K tokens
Input Price$30.00/M tokens$3.00/M tokens
Output Price$180.00/M tokens$15.00/M tokens
Capabilities
textvisioncode
textvisioncode
Max Output128K tokens8K tokens
API Identifieropenai/gpt-5.4-properplexity/sonar-pro
Benchmarks
GPQA Diamond
93openai
57.8perplexity
SWE-bench Pro
57.7openai
—
MATH-500
94.6openai
74.5perplexity
MMLU Pro—
75.5perplexity
AIME—
29perplexity
 View GPT-5.4 ProView Sonar Pro

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
Sonar ProCheapest$3.00$7.50$10.50—
GPT-5.4 Pro$30.00$90.00$120.00+1043%

OpenAI

GPT-5.4 Pro

GPT-5.4 Pro is a multimodal llm from OpenAI. Supports up to 1,050,000 token context window. Available from $30.00/M input tokens.

Perplexity AI

Sonar Pro

Sonar Pro is a multimodal llm from Perplexity AI. Supports up to 200,000 token context window. Achieves 83.0% on MMLU. Available from $3.00/M input tokens.

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