AI Models · Open-Source vs Paid

MELongCat 2.0 Open vs GPT-4o-mini Paid

LongCat 2.0 vs GPT-4o-mini 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.

MELongCat 2.0OpenMeituan
$0.3 /M input
$1.2 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalNo
Self-hostYes
GPT-4o-miniPaidOpenAI
$0.15 /M input
$0.6 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalYes
Self-hostNo
Choose LongCat 2.0 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-4o-mini if you want frontier capability through a managed API with zero infrastructure to run.

LongCat 2.0 vs GPT-4o-mini specs

SpecLongCat 2.0GPT-4o-miniWinner
MakerMeituanOpenAI
TypeOpen-weightProprietaryMELongCat 2.0
Context window1M tokens128K tokensMELongCat 2.0
Input price$0.3/M · free self-host$0.15/MGPT-4o-mini
Output price$1.2/M · free self-host$0.6/MGPT-4o-mini
Vision / multimodalNoYesGPT-4o-mini
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)MELongCat 2.0
LicenseOpen weightsProprietaryMELongCat 2.0

Price gap & when to choose each

2.0×cheaper per output token

GPT-4o-mini is ~2.0× cheaper than LongCat 2.0 on output tokens ($0.6 vs $1.2 per M tokens).

MEChoose LongCat 2.0 if…
  • You want to self-host or run on your cloud
  • You need the longer 1M context window
  • You prioritize data privacy & control
  • You are building open or reproducible AI
Choose GPT-4o-mini 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

CapabilityLongCat 2.0GPT-4o-mini
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: LongCat 2.0 vs GPT-4o-mini

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

LongCat 2.0
GPT-4o-mini
Intelligence index
19.7
6.7
Coding index
45.3
11.4
GPQA
78%
42.6%
Humanity's Last Exam
33.7%
4.2%
Long Context Reasoning
65%
SciCode
36.3%
τ-Bench Banking
13.2%
2.9%
Terminal-Bench
50.2%
5.6%
Math index
14.7
MMLU-Pro
64.8%
LiveCodeBench
23.4%
MATH-500
78.9%
AIME
11.7%
AIME 2025
14.7%
IFBench
31%
Speed
0 tok/s
0 tok/s
Latency
0s
0s
Intelligence per $
37.5
25.6

Benchmark data by Artificial Analysis.

How LongCat 2.0 and GPT-4o-mini score

🏆 Best value & openness: LongCat 2.0 (4.6 vs 3.2 / 5)
CriterionLongCat 2.0GPT-4o-mini
Cost-efficiency4.55.0
Context window5.03.5
Openness5.01.5
Self-hosting5.01.0
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

LongCat 2.0 Open

Meituan · Open-weight

LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total. It is suited for coding, repository-level changes, long-horizon problem solving, and agentic...

GPT-4o-mini Paid

OpenAI · Proprietary

GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...

Frequently asked questions

Is LongCat 2.0 as good as GPT-4o-mini?

LongCat 2.0 is open-weight and competitive on many tasks, but GPT-4o-mini 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 LongCat 2.0 locally?

Yes. LongCat 2.0 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. GPT-4o-mini is API-only and cannot be self-hosted.

LongCat 2.0 vs GPT-4o-mini — which should I pick in 2026?

Choose LongCat 2.0 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-4o-mini if you want frontier capability through a managed API with zero infrastructure to run.

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