GPT-4o vs Perplexity Sonar Reasoning Pro
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o
OpenAIOpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.
| Input | $2.50/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | General coding, multimodal tasks, chatbots |
| Benchmark | 75/100 |
Perplexity Sonar Reasoning Pro
PerplexityPerplexity's most advanced search model with deep reasoning. Complex research tasks with cited sources.
| Input | $5.00/M |
| Output | $20.00/M |
| Context | 128K tokens |
| Best For | Deep research, academic analysis, complex investigations |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | Perplexity Sonar Reasoning Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.78 | GPT-4o saves $0.37 (48%) |
| Medium Feature (10K lines) | $3.06 | $5.75 | GPT-4o saves $2.69 (47%) |
| Large Project (50K lines) | $15.31 | $28.75 | GPT-4o saves $13.44 (47%) |
| Code Review (5K lines) | $0.78 | $1.38 | GPT-4o saves $0.59 (43%) |
Verdict
GPT-4o wins on both price and performance — $2.50/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
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Claude 3.5 Haiku
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Claude 3 Opus
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