AI Models · Open-Source vs Paid

Kimi K3 (batch) Open vs o1-pro Paid

Kimi K3 (batch) vs o1-pro compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

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

Kimi K3 (batch)OpenMoonshot AI
$3 /M input
$15 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
o1-proPaidOpenAI
$150 /M input
$600 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K tokens
MultimodalYes
Self-hostNo
Choose Kimi K3 (batch) if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose o1-pro if you want frontier capability through a managed API with zero infrastructure to run.

Kimi K3 (batch) vs o1-pro specs

SpecKimi K3 (batch)o1-proWinner
MakerMoonshot AIOpenAI
TypeOpen-weightProprietaryKimi K3 (batch)
Context window1M tokens200K tokensKimi K3 (batch)
Input price$3/M · free self-host$150/MKimi K3 (batch)
Output price$15/M · free self-host$600/MKimi K3 (batch)
Vision / multimodalYesYes= Tie
Tool / function callingYesNoKimi K3 (batch)
Self-hostableYesNo (API only)Kimi K3 (batch)
LicenseModified MITProprietaryKimi K3 (batch)

Price gap & when to choose each

40×cheaper per output token

Kimi K3 (batch) is ~40× cheaper than o1-pro on output tokens ($15 vs $600 per M tokens).

Choose Kimi K3 (batch) if…
  • You want to self-host or run on your cloud
  • You need the longer 1M context window
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose o1-pro if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityKimi K3 (batch)o1-pro
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Kimi K3 (batch) vs o1-pro

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

Kimi K3 (batch)
o1-pro
Intelligence index
43.8
12.4
Coding index
76.2
GPQA
93.5%
Humanity's Last Exam
46.9%
Long Context Reasoning
88.7%
SciCode
59.5%
τ-Bench Banking
46%
Terminal-Bench
85%
Speed
37.2 tok/s
0 tok/s
Latency
2.99s
0s
Intelligence per $
7.3
0

Benchmark data by Artificial Analysis.

How Kimi K3 (batch) and o1-pro score

🏆 Best value & openness: Kimi K3 (batch) (4.6 vs 2.4 / 5)
CriterionKimi K3 (batch)o1-pro
Cost-efficiency3.02.0
Context window5.04.0
Openness5.01.5
Self-hosting5.01.0
Multimodality5.03.5

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

Kimi K3 (batch) Open

Moonshot AI · Open-weight

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...

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...

Other models in these families

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

Other variants tracked
Kimi K3Kimi K2.6Kimi K2.7 CodeKimi K2.5Kimi K2 ThinkingKimi K2 0905Kimi K2 0711

Frequently asked questions

Is Kimi K3 (batch) as good as o1-pro?

Kimi K3 (batch) is open-weight and competitive on many tasks, but o1-pro may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Kimi K3 (batch) locally?

Yes. Kimi K3 (batch) has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. o1-pro is API-only and cannot be self-hosted.

How much cheaper is Kimi K3 (batch)?

Kimi K3 (batch) costs $15/M output vs $600/M for o1-pro — roughly 40x cheaper via API, and free if you self-host.

Kimi K3 (batch) vs o1-pro — which should I pick in 2026?

Choose Kimi K3 (batch) if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose o1-pro if you want frontier capability through a managed API with zero infrastructure to run.

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