Home / All model prices / OpenAI / o3-mini O OpenAI
o3-mini OpenRouter price Model overview OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...
Context window 200,000 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $1.1
Cached input $0.55
Cache write 5m —
Cache write 1h —
Output $4.4 Capabilities and formats text file include reasoning max tokens reasoning response format seed structured outputs tool choice tools Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $1.1 Cached input: $0.55 Cache write 5m: — Cache write 1h: — Output: $4.4
