AI Models · Open-Source vs Paid

MiniMax M3.1 Flash Open vs Gemini 3.8 Flash Paid

MiniMax M3.1 Flash vs Gemini 3.8 Flash compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Gemini 3.8 Flash — full profile ›

Prices & specs refreshed from live data · olud.ai

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

MiniMax M3.1 FlashOpenMiniMax
$0.15 /M input
$0.6 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
Gemini 3.8 FlashPaidGoogle
$0.83 /M input
$4.13 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose MiniMax M3.1 Flash 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 3.8 Flash if you want frontier capability through a managed API with zero infrastructure to run.

MiniMax M3.1 Flash vs Gemini 3.8 Flash specs

SpecMiniMax M3.1 FlashGemini 3.8 FlashWinner
MakerMiniMaxGoogle–
TypeOpen-weightProprietaryMiniMax M3.1 Flash
Context window1M tokens1M tokens= Tie
Input price$0.15/M · free self-host$0.83/MMiniMax M3.1 Flash
Output price$0.6/M · free self-host$4.13/MMiniMax M3.1 Flash
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)MiniMax M3.1 Flash
LicenseMITProprietaryMiniMax M3.1 Flash

Price gap & when to choose each

6.9×cheaper per output token

MiniMax M3.1 Flash is ~6.9× cheaper than Gemini 3.8 Flash on output tokens ($0.6 vs $4.13 per M tokens).

Choose MiniMax M3.1 Flash 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 3.8 Flash if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityMiniMax M3.1 FlashGemini 3.8 Flash
Open weights (downloadable)✓✗
Self-hostable✓✗
Runs fully offline✓✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

Benchmarks: MiniMax M3.1 Flash vs Gemini 3.8 Flash

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

MiniMax M3.1 Flash delivers 6× more intelligence per dollar.
MiniMax M3.1 Flash
Gemini 3.8 Flash
Intelligence index
42.7
40.9
Humanity's Last Exam
48%
47.8%
Long Context Reasoning
79.7%
81.3%
SciCode
53.4%
56.6%
Coding index
–
76.3
GPQA
–
95.3%
τ-Bench Banking
–
44.9%
Terminal-Bench
–
87.6%
Speed
103.1 tok/s
131.6 tok/s
Latency
1.05s
18.14s
Intelligence per $
163
27.3

Benchmark data by Artificial Analysis.

How MiniMax M3.1 Flash and Gemini 3.8 Flash score

🏆 Best value & openness: MiniMax M3.1 Flash (5.0 vs 3.3 / 5)
CriterionMiniMax M3.1 FlashGemini 3.8 Flash
Cost-efficiency5.04.0
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 M3.1 Flash Open

MiniMax · Open-weight

MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...

Gemini 3.8 Flash Paid

Google · Proprietary

Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

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 M3MiniMax M2.7MiniMax M2.5MiniMax M2.1MiniMax M2MiniMax M1MiniMax M2-herMiniMax-01
Other variants tracked
Gemini 3.8 Flash (batch)Gemini 3.7 FlashGemini 3.7 Flash (batch)Gemini 3.6 FlashGemini 3.6 Flash (batch)Gemini 3.5 FlashGemini 3.5 Flash (batch)Gemini 3 Flash PreviewGemini 3 Flash Preview (batch)Gemini 2.5 FlashNano Banana 2 (Gemini 3.1 Flash Image)Nano Banana (Gemini 2.5 Flash Image)

Frequently asked questions

Is MiniMax M3.1 Flash as good as Gemini 3.8 Flash?

MiniMax M3.1 Flash is open-weight and competitive on many tasks, but Gemini 3.8 Flash 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 M3.1 Flash locally?

Yes. MiniMax M3.1 Flash has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Gemini 3.8 Flash is API-only and cannot be self-hosted.

How much cheaper is MiniMax M3.1 Flash?

MiniMax M3.1 Flash costs $0.6/M output vs $4.13/M for Gemini 3.8 Flash — roughly 7x cheaper via API, and free if you self-host.

MiniMax M3.1 Flash vs Gemini 3.8 Flash — which should I pick in 2026?

Choose MiniMax M3.1 Flash 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 3.8 Flash if you want frontier capability through a managed API with zero infrastructure to run.

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