o3 coding

openrouter
openai
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.

Capabilities

Context Window 200k tokens
Max Output 100k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $2.00
Output $8.00
Cache Read $0.50
Cache Write -

Supported Parameters

include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools