Claude 3.5 Haiku vs OpenAI o1 Pro
Performance benchmarks + pricing comparison — updated April 2026
Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
| Input | $0.800/M |
| Output | $4.00/M |
| Context | 200K tokens |
| Best For | Code review, high-volume tasks, simple queries |
| Benchmark | 52/100 |
OpenAI o1 Pro
OpenAIPremium reasoning model with extended compute. Best-in-class for complex math, science, and advanced coding challenges.
| Input | $20.00/M |
| Output | $80.00/M |
| Context | 200K tokens |
| Best For | Research-grade problem solving, competition math, complex system design |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Claude 3.5 Haiku | OpenAI o1 Pro | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.16 | $3.10 | Claude 3.5 Haiku saves $2.94 (95%) |
| Medium Feature (10K lines) | $1.24 | $23.00 | Claude 3.5 Haiku saves $21.76 (95%) |
| Large Project (50K lines) | $6.21 | $115.00 | Claude 3.5 Haiku saves $108.79 (95%) |
| Code Review (5K lines) | $0.32 | $5.50 | Claude 3.5 Haiku saves $5.18 (94%) |
Verdict
Claude 3.5 Haiku wins on both price and performance — $0.800/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
AnthropicPrevious generation Sonnet. Still excellent for coding tasks at the same price point.
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.
Claude 3 Haiku
AnthropicCheapest Claude model. Fast responses for simple tasks and basic coding.