AI Models · Open-Source vs Paid

Kimi K3 (batch) Open vs GPT-4 Turbo Paid

Kimi K3 (batch) vs GPT-4 Turbo 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
GPT-4 TurboPaidOpenAI
$10 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K 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 GPT-4 Turbo if you want frontier capability through a managed API with zero infrastructure to run.

Kimi K3 (batch) vs GPT-4 Turbo specs

SpecKimi K3 (batch)GPT-4 TurboWinner
MakerMoonshot AIOpenAI
TypeOpen-weightProprietaryKimi K3 (batch)
Context window1M tokens128K tokensKimi K3 (batch)
Input price$3/M · free self-host$10/MKimi K3 (batch)
Output price$15/M · free self-host$30/MKimi K3 (batch)
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)Kimi K3 (batch)
LicenseModified MITProprietaryKimi K3 (batch)

Price gap & when to choose each

2.0×cheaper per output token

Kimi K3 (batch) is ~2.0× cheaper than GPT-4 Turbo on output tokens ($15 vs $30 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 GPT-4 Turbo 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)GPT-4 Turbo
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Kimi K3 (batch) vs GPT-4 Turbo

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

Kimi K3 (batch) delivers 15× more intelligence per dollar.
Kimi K3 (batch)
GPT-4 Turbo
Intelligence index
43.8
7
Coding index
76.2
21.5
GPQA
93.5%
Humanity's Last Exam
46.9%
3.1%
Long Context Reasoning
88.7%
SciCode
59.5%
τ-Bench Banking
46%
Terminal-Bench
85%
MMLU-Pro
69.4%
LiveCodeBench
29.1%
MATH-500
73.7%
AIME
15%
Speed
37.2 tok/s
0 tok/s
Latency
2.99s
0s
Intelligence per $
7.3
0.5

Benchmark data by Artificial Analysis.

How Kimi K3 (batch) and GPT-4 Turbo score

🏆 Best value & openness: Kimi K3 (batch) (4.6 vs 2.8 / 5)
CriterionKimi K3 (batch)GPT-4 Turbo
Cost-efficiency3.03.0
Context window5.03.5
Openness5.01.5
Self-hosting5.01.0
Multimodality5.05.0

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

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...

GPT-4 Turbo Paid

OpenAI · Proprietary

The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to December 2023.

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 GPT-4 Turbo?

Kimi K3 (batch) is open-weight and competitive on many tasks, but GPT-4 Turbo 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. GPT-4 Turbo is API-only and cannot be self-hosted.

How much cheaper is Kimi K3 (batch)?

Kimi K3 (batch) costs $15/M output vs $30/M for GPT-4 Turbo — roughly 2x cheaper via API, and free if you self-host.

Kimi K3 (batch) vs GPT-4 Turbo — 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 GPT-4 Turbo if you want frontier capability through a managed API with zero infrastructure to run.

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