OpenAI: o3
Analysis Summary
OpenAI o3 is a reasoning-focused model from OpenAI with strong performance across coding, mathematics, and multi-step agentic tasks. It supports vision, tool use, and function calling, and its agentic index of 58.9 places it well above most mid-tier models. Instruction following and long-context reasoning are both competitive.
For businesses, o3 is a strong fit for software engineering workflows, complex document analysis, and autonomous agent pipelines where reasoning depth is critical. Its 200K context window is adequate for most professional tasks, though it falls short of the 1M+ windows available on some competitors. The main trade-off is cost: at $2/1M input and $8/1M output, it is expensive for high-volume use.
Teams that need reliable, deep reasoning on hard tasks and can absorb the cost will find o3 a capable workhorse. For budget-conscious deployments or tasks requiring very large context, newer or cheaper alternatives may offer better overall value.
Assessed June 17, 2026
Editorial notes
OpenAI o3 delivers strong reasoning, excellent coding performance, and reliable agentic capability with vision and tool use, though its 200K context and premium pricing limit it relative to newer frontier models.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How OpenAI: o3 compares
OpenAI: o3 ranks #80 of 382 AI models we track for overall intelligence, #67 of 293 for agentic tasks. Its 200K-token context window is larger than 65% of the models we list. At $2.00 per million input tokens it is cheaper than 16% of comparable models.
About OpenAI: o3
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does OpenAI: o3 stack up?
Compare side-by-side with other specialist models.
Model Information
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $2.00 | $0.002000 |
| Output | $8.00 | $0.008000 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about OpenAI: o3
How much does OpenAI: o3 cost?
OpenAI: o3 costs $2.00 per million input tokens and $8.00 per million output tokens.
What is the context window of OpenAI: o3?
OpenAI: o3 has a context window of 200,000 tokens (200K).
What can OpenAI: o3 do?
OpenAI: o3 supports image/vision input, tool use, and function calling.
Who created OpenAI: o3?
OpenAI: o3 is developed by OpenAI and was released on April 16, 2025.
