OpenAI: o3
openai/o3o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks.
Modalities
In / out per 1M$2.00 / $8.00
Context195K
ReleasedApr 16, 2025
Providers
1 provider serves this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
 OpenAI | $2.00 | $8.00 | $0.50 | 1.71s | 83 tps | 100% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves o3 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what o3 costs pay-as-you-go elsewhere, not what you pay here.
Input
$2.00
per 1M tokens
Output
$8.00
per 1M tokens
Cache read
$0.50
per 1M cached tokens
Included in every pass
o3 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, over the last 3 days.
0.0s50.0s100.0s150.0s200.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 100%
Oct 16, 11:00 AMNow
Availability over the last 24 hoursAvailability 99.99%
100% 98% 97% 95%
Oct 18, 11:00 AMNow
Apps
Tools that most often run o3, by tokens this week.
Activity
2.8B tokens processed market-wide in the last month.
0100.0M200.0M300.0M400.0M
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens
FAQ
Which model id do I use for o3?
openai/o3. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does o3 hold?
200,000 tokens per request, of which up to 100,000 can be the response.
What can it accept and return?
Input: image, text, file. Output: text.
What does o3 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $2.00 per 1M input tokens and $8.00 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?
OpenAI, in the o3 family.
Explore
Other models your pass can call.
