OpenAI o3 vs Perplexity Sonar Pro
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o3
OpenAINext generation reasoning model. Improved coding and math over o1.
| Input | $10.00/M |
| Output | $40.00/M |
| Context | 200K tokens |
| Best For | Advanced coding, complex problem-solving |
| Benchmark | 85/100 |
Perplexity Sonar Pro
PerplexityPerplexity's search-optimized model. Built for real-time web search with cited answers.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 128K tokens |
| Best For | Research, fact-checking, current events analysis |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o3 | Perplexity Sonar Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $1.55 | $0.55 | Perplexity Sonar Pro saves $1.00 (64%) |
| Medium Feature (10K lines) | $11.50 | $4.05 | Perplexity Sonar Pro saves $7.45 (65%) |
| Large Project (50K lines) | $57.50 | $20.25 | Perplexity Sonar Pro saves $37.25 (65%) |
| Code Review (5K lines) | $2.75 | $0.90 | Perplexity Sonar Pro saves $1.85 (67%) |
Verdict
Perplexity Sonar Pro wins on both price and performance — $3.00/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
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
Claude Opus 4
AnthropicAnthropic's most powerful model. Best for complex reasoning and challenging coding tasks.
Claude 3.5 Sonnet
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Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
Claude 3 Opus
AnthropicFirst generation Opus. Highest reasoning capability in the Claude 3 family.
Claude 3 Sonnet
AnthropicFirst generation Sonnet. Balanced performance for general tasks.