o3

OpenAI chatreasoningtool_usevision Long

API ID: openai/o3-2025-04-16

Compare Calculate
Input Price
$2.00
/1M tokens
Output Price
$8.00
/1M tokens
Cached Input
$0.50
Save 75%

About o3

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.

💰
Price Ranking
#1116 lowest price among 1240 Chat models

Model Specifications

Context Length
200k
Max Output
100k
Release Date
2025-04-16
Capabilities
chat reasoning tool_use vision
Input Modalities
imagetextfile
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Simple Q&A (cheaper models available)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$3.30
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$102.00
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$141.00
/month
500 analyses/day, ~2k tokens each
Calculate Your Custom Usage

OpenAI Model Lineup

Compare all models from OpenAI to find the best fit

Model Input Output Context Capabilities
o3 Current Free Free 200k chat reasoning tool_use vision
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GPT-4 32k Free Free 33k chat
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GPT-4 32k (older v0314) Free Free 33k chat
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🚀 Quick Start

Get started with o3 API

OpenAI Python SDK 
from openai import OpenAI
client = OpenAI()

response = client.chat.completions.create(
    model="openai/o3-2025-04-16",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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