LLM Comparison

GPT-5.4 Nano vs Sonar Pro

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

Price vs Intelligence

483828189$0.51$3.31$6.10$8.90$11.70Avg Price per M tokensIntelligenceGPT-5.4 Nano37.7 / $0.72Sonar Pro18.7 / $9.00

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2/6 models
Same tier:
 OpenAIGPT-5.4 NanoPerplexity AISonar Pro
OrganizationOpenAIOpenAIPerplexity AIPerplexity AI
OpenTools Score
38
52.0
19
2.1
FamilyGPTSonar
StatusCurrentCurrent
Release DateMar 2026Mar 2025
Context Window400K tokens200K tokens
Input Price$0.20/M tokens$3.00/M tokens
Output Price$1.25/M tokens$15.00/M tokens
Pricing NotesCache read: $0.0200/M tokens—
Capabilities
textvisioncode
textvisioncode
Training CutoffAug 31, 2025—
Max Output128K tokens8K tokens
API Identifieropenai/gpt-5.4-nanoperplexity/sonar-pro
Benchmarks
Artificial Analysis Intelligence Index v4.3
21.2442artificial-analysis
—
GPQA Diamond
81.7172artificial-analysis
57.8perplexity
SciCode
47.2222artificial-analysis
—
Terminal-Bench 2.1
60.6742artificial-analysis
—
MMLU Pro—
75.5perplexity
MATH-500—
74.5perplexity
AIME—
29perplexity
 View GPT-5.4 NanoView Sonar Pro

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
GPT-5.4 NanoCheapest$0.20$0.63$0.83—
Sonar Pro$3.00$7.50$10.50+1173%

OpenAI

GPT-5.4 Nano

GPT-5.4 Nano is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.20/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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