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OpenAI Released April 16, 2025 Synced Apr 7, 2026

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....

Tool useVisionReasoning

Why it stands out

200K-token context window handles longer documents and multi-turn conversations without truncation.
Combines tool use with reasoning — a strong baseline for agentic and multi-step workflows.
Multimodal input (vision) extends it beyond text-only workflows.

What to watch

No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for OpenAI: o3.

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release

OpenAI: o3 entered the tracked catalog

April 16, 2025

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. Use it to think through multi-step problems that involve analysis across text, code, and images.

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Recent changes

LaunchApr 16

OpenAI launched OpenAI: o3

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