AI Models · Open-Source vs Paid

MiniMax M3 Open vs Claude Fable 5.1 Paid

MiniMax M3 vs Claude Fable 5.1 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
Claude Fable 5.1PaidAnthropic
$10 /M input
$50 /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 Claude Fable 5.1 if you want frontier capability through a managed API with zero infrastructure to run.

MiniMax M3 vs Claude Fable 5.1 specs

SpecMiniMax M3Claude Fable 5.1Winner
MakerMiniMaxAnthropic
TypeOpen-weightProprietaryMiniMax M3
Context window1M tokens1M tokensMiniMax M3
Input price$0.3/M · free self-host$10/MMiniMax M3
Output price$1.2/M · free self-host$50/MMiniMax M3
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)MiniMax M3
LicenseMITProprietaryMiniMax M3

Price gap & when to choose each

42×cheaper per output token

MiniMax M3 is ~42× cheaper than Claude Fable 5.1 on output tokens ($1.2 vs $50 per M tokens).

Choose MiniMax M3 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 Claude Fable 5.1 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityMiniMax M3Claude Fable 5.1
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: MiniMax M3 vs Claude Fable 5.1

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

MiniMax M3 delivers 21× more intelligence per dollar.
MiniMax M3
Claude Fable 5.1
Intelligence index
29.6
53.4
Coding index
58.6
81.6
GPQA
92.9%
93.7%
Humanity's Last Exam
39%
59.1%
Long Context Reasoning
83%
85.3%
SciCode
47.1%
63.1%
IFBench
82.9%
τ²-Bench
88.9%
τ-Bench Banking
15.3%
47.2%
Terminal-Bench
65.2%
91.4%
Terminal-Bench Hard
42.4%
Speed
106.4 tok/s
66.7 tok/s
Latency
0.83s
137.76s
Intelligence per $
56.4
2.7

Benchmark data by Artificial Analysis.

How MiniMax M3 and Claude Fable 5.1 score

🏆 Best value & openness: MiniMax M3 (4.9 vs 2.9 / 5)
CriterionMiniMax M3Claude Fable 5.1
Cost-efficiency4.52.0
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 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,...

Claude Fable 5.1 Paid

Anthropic · Proprietary

Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...

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

Frequently asked questions

Is MiniMax M3 as good as Claude Fable 5.1?

MiniMax M3 is open-weight and competitive on many tasks, but Claude Fable 5.1 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. Claude Fable 5.1 is API-only and cannot be self-hosted.

How much cheaper is MiniMax M3?

MiniMax M3 costs $1.2/M output vs $50/M for Claude Fable 5.1 — roughly 42x cheaper via API, and free if you self-host.

MiniMax M3 vs Claude Fable 5.1 — 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 Claude Fable 5.1 if you want frontier capability through a managed API with zero infrastructure to run.

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