AI Models · Paid vs Paid

o1-pro Paid vs Mistral Medium 3.1 Paid

o1-pro vs Mistral Medium 3.1 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
Mistral Medium 3.1PaidMistral AI
$0.4 /M input
$2 /M outputManaged API (no infra to run)
TypeProprietary
Context window131K tokens
MultimodalYes
Self-hostNo
Choose Mistral Medium 3.1 for the lower output price ($2/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

o1-pro vs Mistral Medium 3.1 specs

Speco1-proMistral Medium 3.1Winner
MakerOpenAIMistral AI
TypeProprietaryProprietary
Context window200K tokens131K tokenso1-pro
Input price$150/M$0.4/MMistral Medium 3.1
Output price$600/M$2/MMistral Medium 3.1
Vision / multimodalYesYes= Tie
Tool / function callingNoYesMistral Medium 3.1
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

300×cheaper per output token

Mistral Medium 3.1 is ~300× cheaper than o1-pro on output tokens ($2 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 Mistral Medium 3.1 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-proMistral Medium 3.1
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o1-pro vs Mistral Medium 3.1

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

o1-pro
Mistral Medium 3.1
Intelligence index
12.4
9.9
Coding index
20.5
Math index
38.3
GPQA
58.8%
MMLU-Pro
68.3%
Humanity's Last Exam
4.7%
LiveCodeBench
40.6%
SciCode
32.4%
AIME 2025
38.3%
IFBench
39.8%
τ²-Bench
40.6%
τ-Bench Banking
8.2%
Terminal-Bench
13.9%
Terminal-Bench Hard
10.6%
Speed
0 tok/s
0 tok/s
Latency
0s
0s
Intelligence per $
0
12.4

Benchmark data by Artificial Analysis.

How o1-pro and Mistral Medium 3.1 score

🏆 Best value & openness: Mistral Medium 3.1 (3.1 vs 2.4 / 5)
Criteriono1-proMistral Medium 3.1
Cost-efficiency2.04.5
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...

Mistral Medium 3.1 Paid

Mistral AI · Proprietary

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...

Frequently asked questions

o1-pro vs Mistral Medium 3.1 — which is cheaper?

Mistral Medium 3.1 is cheaper on output ($2/M vs $600/M).

Which has the larger context window?

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

o1-pro vs Mistral Medium 3.1 — which should I pick in 2026?

Choose Mistral Medium 3.1 for the lower output price ($2/M vs $600/M). Choose o1-pro if you need the larger 200K context window.

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