Claude Sonnet 4 vs o1-pro
| Signal | Claude Sonnet 4 | Delta | o1-pro |
|---|---|---|---|
Capabilities | 83 | -- | |
Benchmarks | 74 | -2 | |
Pricing | 85 | +80 | |
Context window size | 86 | +10 | |
Recency | 57 | +12 | |
Output Capacity | 80 | -3 | |
| Overall Result | 3 wins | of 6 | 2 wins |
Score History
73.2
current score
Tied
right now
73.2
current score
Claude Sonnet 4
Anthropic
o1-pro
OpenAI
Claude Sonnet 4 saves you $43950.00/month
That's $527400.00/year compared to o1-pro at your current usage level of 100K calls/month.
| Metric | Claude Sonnet 4 | o1-pro | Winner |
|---|---|---|---|
| Overall Score | 73 | 73 | -- |
| Rank | #80 | #81 | Claude Sonnet 4 |
| Quality Rank | #80 | #81 | Claude Sonnet 4 |
| Adoption Rank | #80 | #81 | Claude Sonnet 4 |
| Parameters | -- | -- | -- |
| Context Window | 1000K | 200K | Claude Sonnet 4 |
| Pricing | $3.00/$15.00/M | $150.00/$600.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 83 | Claude Sonnet 4 |
| Benchmarks | 74 | 77 | o1-pro |
| Pricing | 85 | 5 | Claude Sonnet 4 |
| Context window size | 86 | 76 | Claude Sonnet 4 |
| Recency | 57 | 45 | Claude Sonnet 4 |
| Output Capacity | 80 | 83 | o1-pro |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 73/100 (rank #80), placing it in the top 73% of all 290 models tracked.
Scores 73/100 (rank #81), placing it in the top 72% of all 290 models tracked.
With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.
Choose Claude Sonnet 4 when you need:
- High-volume production workloads where API costs must be minimized
- Processing long documents or large codebases (1000K token context)
- Agentic applications using tool/function calling
- Step-by-step reasoning and chain-of-thought problem solving
Choose o1-pro when you need:
- Step-by-step reasoning and chain-of-thought problem solving
Claude Sonnet 4 offers 98% better value per quality point. At 1M tokens/day, you'd spend $270.00/month with Claude Sonnet 4 vs $11250.00/month with o1-pro - a $10980.00 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Claude Sonnet 4 also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($15.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (73/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Claude Sonnet 4 and o1-pro are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
By Use Case
Best for Quality
Claude Sonnet 4
Marginally better benchmark scores; both are excellent
Best for Cost
Claude Sonnet 4
98% lower pricing; better value at scale
Best for Reliability
Claude Sonnet 4
Higher uptime and faster response speeds
Best for Prototyping
Claude Sonnet 4
Stronger community support and better developer experience
Best for Production
Claude Sonnet 4
Wider enterprise adoption and proven at scale
by Anthropic
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Cost - 98% lower pricing; better value at scale
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | Claude Sonnet 4 | o1-pro |
|---|---|---|
| Vision (Image Input) | ||
| Function Callingdiffers | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
Claude Sonnet 4
Anthropic
o1-pro
OpenAI
Claude Sonnet 4 saves you $966.60/month
That's 98% cheaper than o1-pro at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | Claude Sonnet 4 | o1-pro |
|---|---|---|
| Context Window | 1M | 200K |
| Max Output Tokens | 64,000 | 100,000 |
| Open Source | No | No |
| Created | May 22, 2025 | Mar 19, 2025 |