Is o1 cheaper than o3?

o3 is cheaper than o1 on OpenRouter: o3 costs $2/M tokens input and $8/M tokens output, while o1 costs $15/M tokens input and $60/M tokens output.

Which has the longer context window, o1 or o3?

o1 and o3 have the same context window of 200,000 tokens.

Which is faster, o1 or o3?

o1 is faster on OpenRouter, generating a median 69.0 tokens per second compared with 53.0 tokens per second for o3.

o1 vs o3

Compare o1 from OpenAI and o3 from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Attribute	o1	o3
Input price	$15/M tokens	$2/M tokens
Output price	$60/M tokens	$8/M tokens
Context window	200,000 tokens	200,000 tokens
Intelligence Index	15.2	20.2
Coding Index	39.7	Not available
Agentic Index	Not available	Not available
Latency (p50)	1.61 s	2.52 s
Throughput (p50)	69.0 tok/s	53.0 tok/s

Attribute	o1	o3
Input price	$15/M tokens	$2/M tokens
Output price	$60/M tokens	$8/M tokens
Context window	200,000 tokens	200,000 tokens
Intelligence Index	15.2	20.2
Coding Index	39.7	Not available
Agentic Index	Not available	Not available
Latency (p50)	1.61 s	2.52 s
Throughput (p50)	69.0 tok/s	53.0 tok/s

o1 vs o3

o1 vs o3

Overview

o1 vs o3: side-by-side summary

Overview

o1 vs o3: side-by-side summary

o1 vs o3 at a glance

Frequently asked questions

Is o1 cheaper than o3?

Which has the longer context window, o1 or o3?

Which is faster, o1 or o3?

o1 vs o3 at a glance

Frequently asked questions

Is o1 cheaper than o3?

Which has the longer context window, o1 or o3?

Which is faster, o1 or o3?