LLM Comparison

GPT-5.5 vs Sonar Pro Search

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

Price vs Intelligence

10078563412$6.30$10.41$14.52$18.64$22.75Avg Price per M tokensIntelligenceGPT-5.589.5 / $17.50Sonar Pro Search21.5 / $9.00

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2/6 models
Same tier:
 OpenAIGPT-5.5Perplexity AISonar Pro Search
OrganizationOpenAIOpenAIPerplexity AIPerplexity AI
OpenTools Score
90
5.1
22
2.4
FamilyGPTSonar
StatusCurrentCurrent
Release DateApr 2026Oct 2025
Context Window1.1M tokens200K tokens
Input Price$5.00/M tokens$3.00/M tokens
Output Price$30.00/M tokens$15.00/M tokens
Pricing NotesCached input: $0.50/M tokens. Long context (>272K tokens): 2x input, 1.5x output. Batch API: 50% discount. Priority: 2.5x standard.
Capabilities
textvisioncodetool-useextended-thinkingcomputer-useweb-search
textvisioncode
Training CutoffDecember 2025
Max Output128K tokens8K tokens
API Identifieropenai/gpt-5.5perplexity/sonar-pro-search
Benchmarks
MMLU
92.4openai
GPQA Diamond
93.6openai
47.1perplexity
ARC-AGI-2
85openai
Terminal-Bench 2.0
82.7openai
SWE-bench Pro
58.6openai
OSWorld-Verified
78.7openai
BrowseComp
84.4openai
MMMU-Pro
81.2openai
FrontierMath Tier 4
35.4openai
HLE (with tools)
52.2openai
GDPval
84.9openai
Toolathlon
55.6openai
CyberGym
81.8openai
MRCR v2 512K-1M
74openai
MMLU Pro
68.9perplexity
MATH-500
81.7perplexity
AIME
48.7perplexity
 View GPT-5.5View Sonar Pro Search

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
Sonar Pro SearchCheapest$3.00$7.50$10.50
GPT-5.5$5.00$15.00$20.00+90%

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