AI Models · Paid vs Paid

o1-pro Paid vs GPT-5.2 Chat Paid

o1-pro vs GPT-5.2 Chat 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
GPT-5.2 ChatPaidOpenAI
$1.75 /M input
$14 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalYes
Self-hostNo
Choose GPT-5.2 Chat for the lower output price ($14/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

o1-pro vs GPT-5.2 Chat specs

Speco1-proGPT-5.2 ChatWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window200K tokens128K tokenso1-pro
Input price$150/M$1.75/MGPT-5.2 Chat
Output price$600/M$14/MGPT-5.2 Chat
Vision / multimodalYesYes= Tie
Tool / function callingNoYesGPT-5.2 Chat
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

43×cheaper per output token

GPT-5.2 Chat is ~43× cheaper than o1-pro on output tokens ($14 vs $600 per M tokens).

Choose o1-pro if…
  • You want frontier performance through a managed API
  • You need the longer 200K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose GPT-5.2 Chat 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-proGPT-5.2 Chat
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o1-pro vs GPT-5.2 Chat

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

o1-pro
GPT-5.2 Chat
Intelligence index
12.4
17
Math index
51
GPQA
71.2%
MMLU-Pro
81.4%
Humanity's Last Exam
8%
Long Context Reasoning
45.7%
LiveCodeBench
66.9%
AIME 2025
51%
IFBench
47.4%
τ²-Bench
46.5%
τ-Bench Banking
11.1%
Terminal-Bench Hard
31.8%
Speed
0 tok/s
0 tok/s
Latency
0s
0s
Intelligence per $
0
3.5

Benchmark data by Artificial Analysis.

How o1-pro and GPT-5.2 Chat score

🏆 Best value & openness: GPT-5.2 Chat (2.9 vs 2.4 / 5)
Criteriono1-proGPT-5.2 Chat
Cost-efficiency2.03.5
Context window4.03.5
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...

GPT-5.2 Chat Paid

OpenAI · Proprietary

GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

Frequently asked questions

o1-pro vs GPT-5.2 Chat — which is cheaper?

GPT-5.2 Chat is cheaper on output ($14/M vs $600/M).

Which has the larger context window?

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

o1-pro vs GPT-5.2 Chat — which should I pick in 2026?

Choose GPT-5.2 Chat for the lower output price ($14/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

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