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OpenAI: o3 Pro

openai/o3-pro
CompareAPITry this model

The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.

Modalities
In / out per 1M$20 / $80
Context195K
ReleasedJun 10, 2025

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
OpenAI$20$80Variable4.96s21 tps100%

Market-wide measurements, refreshed every 15 minutes. They describe who serves o3 Pro in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what o3 Pro costs pay-as-you-go elsewhere, not what you pay here.

Input
$20
per 1M tokens
Output
$80
per 1M tokens
Cache read
—
not published
Included in every pass
o3 Pro is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider.

No measurements published

This measurement has not been published for the model yet. It appears as soon as it is.

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 99.47%
Oct 16, 12:00 PMNow
Availability over the last 24 hoursAvailability 99.2%
100% 97% 93% 90%
Oct 18, 12:50 PMNow

Apps

Tools that most often run o3 Pro, by tokens this week.

Intelligence Layer30.3% of tokens1.1MpiCli Agent · 29% of tokens1.0MLibreChatGeneral Chat · 14.3% of tokens498.2KCogSim AI Platform13.5% of tokens471.9KLumintBench13% of tokens452.1K

Activity

24.8M tokens processed market-wide in the last month.

02.0M4.0M6.0M8.0M
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens

FAQ

Which model id do I use for o3 Pro?
openai/o3-pro. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does o3 Pro hold?
200,000 tokens per request, of which up to 100,000 can be the response.
What can it accept and return?
Input: text, file, image. Output: text.
What does o3 Pro cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $20 per 1M input tokens and $80 per 1M output tokens.
How current is its knowledge?
Training data runs to Jun 2024. Anything later has to come from your prompt or a tool call.
Who built o3 Pro?
OpenAI, in the o3 family.

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