AI Models · Open-Source vs Paid

MiniMax M3.1 Flash Open vs Claude Haiku 5.5 Paid

MiniMax M3.1 Flash vs Claude Haiku 5.5 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 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
Claude Haiku 5.5PaidAnthropic
$0.1 /M input
$0.5 /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 Claude Haiku 5.5 if you want frontier capability through a managed API with zero infrastructure to run.

MiniMax M3.1 Flash vs Claude Haiku 5.5 specs

SpecMiniMax M3.1 FlashClaude Haiku 5.5Winner
MakerMiniMaxAnthropic–
TypeOpen-weightProprietaryMiniMax M3.1 Flash
Context window1M tokens1M tokensMiniMax M3.1 Flash
Input price$0.15/M · free self-host$0.1/MClaude Haiku 5.5
Output price$0.6/M · free self-host$0.5/MClaude Haiku 5.5
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

Choose MiniMax M3.1 Flash 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 Claude Haiku 5.5 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

CapabilityMiniMax M3.1 FlashClaude Haiku 5.5
Open weights (downloadable)✓✗
Self-hostable✓✗
Runs fully offline✓✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

Benchmarks: MiniMax M3.1 Flash vs Claude Haiku 5.5

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

MiniMax M3.1 Flash
Claude Haiku 5.5
Intelligence index
42.7
43.4
Humanity's Last Exam
48%
44.4%
Long Context Reasoning
79.7%
82.7%
SciCode
53.4%
55%
Speed
103.1 tok/s
235.2 tok/s
Latency
1.05s
218.11s
Intelligence per $
163
217

Benchmark data by Artificial Analysis.

How MiniMax M3.1 Flash and Claude Haiku 5.5 score

🏆 Best value & openness: MiniMax M3.1 Flash (5.0 vs 3.5 / 5)
CriterionMiniMax M3.1 FlashClaude Haiku 5.5
Cost-efficiency5.05.0
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,...

Claude Haiku 5.5 Paid

Anthropic · Proprietary

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

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
Claude Haiku 5.5 (batch)Claude Haiku 4.5Claude Haiku 4.5 (batch)

Frequently asked questions

Is MiniMax M3.1 Flash as good as Claude Haiku 5.5?

MiniMax M3.1 Flash is open-weight and competitive on many tasks, but Claude Haiku 5.5 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. Claude Haiku 5.5 is API-only and cannot be self-hosted.

MiniMax M3.1 Flash vs Claude Haiku 5.5 — 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 Claude Haiku 5.5 if you want frontier capability through a managed API with zero infrastructure to run.

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