GPT-5 (high) vs o3: The Ultimate Performance & Pricing Comparison
The Final Verdict in the GPT-5 (high) vs o3 Showdown
After a comprehensive analysis, o3 emerges as the superior choice for users prioritizing raw intelligence and reasoning. However, GPT-5 (high) remains a highly competitive option, especially for scenarios demanding faster response times and cost-efficiency. This detailed GPT-5 (high) vs o3 comparison will break down every critical metric to help you make the best decision.
GPT-5 (high) vs o3: Key Differences at a Glance
Before we dive deep, here's a high-level summary of the GPT-5 (high) vs o3 comparison. This highlights the core metrics that define each model.
GPT-5 (high)
By OpenAI
Intelligence Index:10
Blended Price / 1M:$0.0034375
Generation Speed:108.143 tokens/sec
Released 2025-09-09o3
By OpenAI
Intelligence Index:9
Blended Price / 1M:$0.0035
Generation Speed:218.705 tokens/sec
Released 2025-09-09Performance Analysis: The Definitive GPT-5 (high) vs o3 Battle
This radar chart visually maps the core capabilities (e.g., Intelligence, Coding, Math indices) of `GPT-5 (high)` vs `o3`.
The capability radar provides a holistic view of the GPT-5 (high) vs o3 matchup. This chart illustrates each model's strengths and weaknesses at a glance, forming a cornerstone of our GPT-5 (high) vs o3 analysis.
The Economics of GPT-5 (high) vs o3
Power is only one part of the equation. This GPT-5 (high) vs o3 pricing analysis gives you a true sense of value.
Pricing Breakdown
Real-World Cost Scenario
To process 1M input tokens and generate 250k output tokens, `GPT-5 (high)` would cost $0.004, whereas `o3` would cost $0.004. This practical calculation is vital for any developer considering the GPT-5 (high) vs o3 choice.
Which Model Wins the GPT-5 (high) vs o3 Battle for You?
Choose GPT-5 (high) if...
Your top priority is raw performance and capability.
You are working in a technical or scientific field requiring the highest accuracy.
Cost is a secondary concern to power in your GPT-5 (high) vs o3 decision.
Choose o3 if...
You need a highly responsive model for user-facing applications.
Your budget is a primary consideration in the GPT-5 (high) vs o3 choice.
You are developing at scale where operational costs are critical.
Your Questions about the GPT-5 (high) vs o3 Comparison
Data provided by https://artificialanalysis.ai/