GPT-4o vs o1 Pro
GPT-4o vs o1 Pro: GPT-4o is cheaper for input-heavy usage ($2.50/M vs $150.00/M input tokens), while o1 Pro is better for long-context tasks (200,000 tokens).
Direct answer: choose GPT-4o for lower token spend and choose o1 Pro when your workload needs longer context.
Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-4o
o1 Pro
Cost Differences
o1 Pro costs more than GPT-4o
Quick Recommendation
Winner for direct API pricing: GPT-4o. At the default workload, GPT-4o saves about $1,327.50/month ($16,151.25/year) versus o1 Pro.
Feature Comparison
| Feature | GPT-4o | o1 Pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input Price | $2.50/1M tokens | $150.00/1M tokens |
| Output Price | $10.00/1M tokens | $600.00/1M tokens |
| Context Window | 128,000 tokens | 200,000 tokens |
| Max Output | 16,384 tokens | 100,000 tokens |
| Category | flagship | flagship |
| Capabilities | textvisionaudio | textvisioncodereasoning |
| Release Date | 5/13/2024 | 12/17/2024 |
GPT-4o vs o1 Pro: Which Should You Choose?
Choosing between GPT-4o and o1 Pro depends on your priorities: cost efficiency, context length, or raw capability. GPT-4o is the more affordable option at $2.50/1M input tokens — 98% cheaper than o1 Pro. Meanwhile, o1 Pro offers a significantly larger context window at 200,000 tokens vs 128,000 for GPT-4o.
Both models are in the flagship category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: GPT-4o would save you roughly $132,750.00/month compared to o1 Pro. For startups and indie developers, that difference can be significant.
Output costs matter too. GPT-4o charges $10.00/1M output tokens vs $600.00 for o1 Pro. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4o has the edge here at $10.00/1M output tokens.
Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.
Best Use Cases
Choose GPT-4o when:
- • Budget is a primary concern
- • You're already using OpenAI's API ecosystem
Choose o1 Pro when:
- • You need a larger context window (200,000 tokens)
- • You need more capabilities (code, reasoning)
- • You need longer outputs (up to 100,000 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
GPT-4o
- • Input pricing: $2.50/M tokens
- • Output pricing: $10.00/M tokens
- • Context window: 128,000 tokens
- • Max output: 16,384 tokens
Watch out for
- • Smaller context window than o1 Pro
o1 Pro
- • Input pricing: $150.00/M tokens
- • Output pricing: $600.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 100,000 tokens
Watch out for
- • Higher input cost than GPT-4o
- • Higher output cost than GPT-4o
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-4o (OpenAI)
o1 Pro (OpenAI)
Start using GPT-4o today
Sign Up for OpenAI →Start using o1 Pro today
Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, GPT-4o or o1 Pro?▼
What is the context window difference between GPT-4o and o1 Pro?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Related Comparisons
Related Articles
Learn when to pick each model, then compare live pricing scenarios.