AI Models · Paid vs Paid

o1-pro Paid vs o3 Paid

o1-pro vs o3 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

o1-proPaidOpenAI
$150 /M input
$600 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K tokens
MultimodalYes
Self-hostNo
o3PaidOpenAI
$2 /M input
$8 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K tokens
MultimodalYes
Self-hostNo
Choose o3 for the lower output price ($8/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

o1-pro vs o3 specs

Speco1-proo3Winner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window200K tokens200K tokens= Tie
Input price$150/M$2/Mo3
Output price$600/M$8/Mo3
Vision / multimodalYesYes= Tie
Tool / function callingNoYeso3
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

75×cheaper per output token

o3 is ~75× cheaper than o1-pro on output tokens ($8 vs $600 per M tokens).

Choose o1-pro if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose o3 if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

Capabilityo1-proo3
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o1-pro vs o3

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

o1-pro
o3
Intelligence index
12.4
20.2
Math index
88.3
GPQA
82.7%
MMLU-Pro
85.3%
Humanity's Last Exam
20.1%
Long Context Reasoning
74.7%
LiveCodeBench
80.8%
MATH-500
99.2%
AIME
90.3%
AIME 2025
88.3%
IFBench
71.4%
τ²-Bench
80.7%
Terminal-Bench Hard
37.1%
Speed
0 tok/s
114.5 tok/s
Latency
0s
6.58s
Intelligence per $
0
5.8

Benchmark data by Artificial Analysis.

How o1-pro and o3 score

🏆 Best value & openness: o3 (3.0 vs 2.4 / 5)
Criteriono1-proo3
Cost-efficiency2.03.5
Context window4.04.0
Openness1.51.5
Self-hosting1.01.0
Multimodality3.55.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

o1-pro Paid

OpenAI · Proprietary

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...

o3 Paid

OpenAI · Proprietary

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....

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
o3 Proo3 (batch)o3 Minio3 Mini (batch)o3 Mini High

Frequently asked questions

o1-pro vs o3 — which is cheaper?

o3 is cheaper on output ($8/M vs $600/M).

Which has the larger context window?

o1-pro offers the larger context window (200K tokens).

o1-pro vs o3 — which should I pick in 2026?

Choose o3 for the lower output price ($8/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

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