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OpenAIReleased April 16, 2025

o3

OpenAI · Released April 16, 2025

Intelligence score

30

At a glance

Intelligence
30
Speed
175.5tokens/sec
Latency
7.96stime to first token
Input price
$2.00per 1M tokens
Output price
$8.00per 1M tokens
Context window
200Ktokens
Parameters
—

Summary

Comparison summary

o3 scores 30 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28). o3 generates output at 175.5 tokens per second (based on OpenAI's API), which is well above average compared to other reasoning models in a similar price tier (median: 81.2 t/s). o3 costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $8.00 per 1M output tokens (better than average, median: $8.40), based on OpenAI's API.

Specifications

Technical specifications

Model nameo3
ProviderOpenAI
Release dateApril 16, 2025
Intelligence score30
Speed175.5 tokens/sec
Latency (TTFT)7.96s
Input price$2.00 / 1M tokens
Output price$8.00 / 1M tokens
Context window200,000 tokens
Parameters—
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: o3

Pricing

Token prices

Price per 1M tokens

o3, as listed in the catalog record

Input $2.00 and output $8.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$2.00
  2. Output$8.00

Model Intelligence legacy profile: o3

FAQ · 19

Frequently asked questions

o3 was released on April 16, 2025.

o3 was created by OpenAI.

o3 scores 30 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28).

o3 generates output at 175.5 tokens per second (based on OpenAI's API), which is well above average compared to other reasoning models in a similar price tier (median: 81.2 t/s).

o3 has a time to first token (TTFT) of 7.96s (based on OpenAI's API), which is somewhat higher than average compared to other reasoning models in a similar price tier (median: 2.78s).

o3 costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $8.00 per 1M output tokens (better than average, median: $8.40), based on OpenAI's API.

o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens (based on OpenAI's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $1.55 per 1M tokens. Pricing may vary by provider.

Yes, o3 is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

o3 supports text and image input.

o3 supports text output.

Yes, o3 supports image input and can analyze, describe, and answer questions about images.

Yes, o3 is multimodal. It can process text and image input and generate text output.

o3 has a context window of 200k tokens. This determines how much text and conversation history the model can process in a single request.

No, o3 is proprietary. The model weights are not publicly available.

o3 is a proprietary model and OpenAI has not disclosed the model size or parameter count.

o3 achieves a score of 30 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

o3 has a knowledge cutoff of May 2024. The model's training data includes information up to this date.

Yes, o3 is available via API through 3 providers.

o3 is available through 3 API providers.