AI Models · Open-Source vs Paid

MiniMax M3 Open vs Gemini 3.1 Pro Preview Paid

MiniMax M3 vs Gemini 3.1 Pro Preview 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.

MiniMax M3OpenMiniMax
$0.3 /M input
$1.2 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
Gemini 3.1 Pro PreviewPaidGoogle
$2 /M input
$12 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose MiniMax M3 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 Gemini 3.1 Pro Preview if you want frontier capability through a managed API with zero infrastructure to run.

MiniMax M3 vs Gemini 3.1 Pro Preview specs

SpecMiniMax M3Gemini 3.1 Pro PreviewWinner
MakerMiniMaxGoogle
TypeOpen-weightProprietaryMiniMax M3
Context window1M tokens1M tokens= Tie
Input price$0.3/M · free self-host$2/MMiniMax M3
Output price$1.2/M · free self-host$12/MMiniMax M3
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)MiniMax M3
LicenseMITProprietaryMiniMax M3

Price gap & when to choose each

10×cheaper per output token

MiniMax M3 is ~10× cheaper than Gemini 3.1 Pro Preview on output tokens ($1.2 vs $12 per M tokens).

Choose MiniMax M3 if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose Gemini 3.1 Pro Preview if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityMiniMax M3Gemini 3.1 Pro Preview
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: MiniMax M3 vs Gemini 3.1 Pro Preview

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

MiniMax M3 delivers 8.3× more intelligence per dollar.
MiniMax M3
Gemini 3.1 Pro Preview
Intelligence index
29.6
30.4
Coding index
58.6
68.8
GPQA
92.9%
94.1%
Humanity's Last Exam
39%
47%
Long Context Reasoning
83%
82%
SciCode
47.1%
58.7%
IFBench
82.9%
77.1%
τ²-Bench
88.9%
95.6%
τ-Bench Banking
15.3%
21.4%
Terminal-Bench
65.2%
73.8%
Terminal-Bench Hard
42.4%
53.8%
Speed
106.4 tok/s
125.2 tok/s
Latency
0.83s
24.48s
Intelligence per $
56.4
6.8

Benchmark data by Artificial Analysis.

How MiniMax M3 and Gemini 3.1 Pro Preview score

🏆 Best value & openness: MiniMax M3 (4.9 vs 3.2 / 5)
CriterionMiniMax M3Gemini 3.1 Pro Preview
Cost-efficiency4.53.5
Context window5.05.0
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

MiniMax M3 Open

MiniMax · Open-weight

MiniMax-M3 is a multimodal foundation model from MiniMax. It supports text, image, and video inputs with text output, a 1M-token context window, and is suited for long-horizon agentic work, coding,...

Gemini 3.1 Pro Preview Paid

Google · Proprietary

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation.

Other models in these families

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

Other variants tracked
MiniMax M3 (batch)MiniMax M2.7MiniMax M2.5MiniMax M2.1MiniMax M2MiniMax M1MiniMax M2-herMiniMax-01
Other variants tracked
Gemini 3.1 Pro Preview (batch)Gemini 2.5 ProGemini 2.5 Pro (batch)Gemini 2.5 Pro Preview 05-06Gemini 3.1 Pro Preview Custom ToolsNano Banana Pro (Gemini 3 Pro Image Preview)

Frequently asked questions

Is MiniMax M3 as good as Gemini 3.1 Pro Preview?

MiniMax M3 is open-weight and competitive on many tasks, but Gemini 3.1 Pro Preview 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 MiniMax M3 locally?

Yes. MiniMax M3 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Gemini 3.1 Pro Preview is API-only and cannot be self-hosted.

How much cheaper is MiniMax M3?

MiniMax M3 costs $1.2/M output vs $12/M for Gemini 3.1 Pro Preview — roughly 10x cheaper via API, and free if you self-host.

MiniMax M3 vs Gemini 3.1 Pro Preview — which should I pick in 2026?

Choose MiniMax M3 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 Gemini 3.1 Pro Preview if you want frontier capability through a managed API with zero infrastructure to run.

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