AI Models · Open-Source vs Paid

LFM2.5-2.6B Open vs XIMiMo-V2.6-Pro-UltraSpeed Paid

LFM2.5-2.6B vs MiMo-V2.6-Pro-UltraSpeed 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.

LFM2.5-2.6BOpenLiquid
$0.35 /M input
$0.5 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window128K tokens
MultimodalNo
Self-hostYes
XIMiMo-V2.6-Pro-UltraSpeedPaidXiaomi
$4.35 /M input
$8.7 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose LFM2.5-2.6B 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 MiMo-V2.6-Pro-UltraSpeed if you want frontier capability through a managed API with zero infrastructure to run.

LFM2.5-2.6B vs MiMo-V2.6-Pro-UltraSpeed specs

SpecLFM2.5-2.6BMiMo-V2.6-Pro-UltraSpeedWinner
MakerLiquidXiaomi–
TypeOpen-weightProprietaryLFM2.5-2.6B
Context window128K tokens1M tokensXIMiMo-V2.6-Pro-UltraSpeed
Input price$0.35/M · free self-host$4.35/MLFM2.5-2.6B
Output price$0.5/M · free self-host$8.7/MLFM2.5-2.6B
Vision / multimodalNoYesXIMiMo-V2.6-Pro-UltraSpeed
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)LFM2.5-2.6B
LicenseOpen weightsProprietaryLFM2.5-2.6B

Price gap & when to choose each

17×cheaper per output token

LFM2.5-2.6B is ~17× cheaper than MiMo-V2.6-Pro-UltraSpeed on output tokens ($0.5 vs $8.7 per M tokens).

Choose LFM2.5-2.6B 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
XIChoose MiMo-V2.6-Pro-UltraSpeed if…
  • You want frontier performance through a managed API
  • You need the longer 1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityLFM2.5-2.6BMiMo-V2.6-Pro-UltraSpeed
Open weights (downloadable)✓✗
Self-hostable✓✗
Runs fully offline✓✗
Vision / multimodal✗✓
Tool / function calling✓✓
1M+ context window✗✓

Benchmarks: LFM2.5-2.6B vs MiMo-V2.6-Pro-UltraSpeed

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

LFM2.5-2.6B
MiMo-V2.6-Pro-UltraSpeed
Intelligence index
8.4
–
Coding index
7.7
–
GPQA
55.8%
–
Humanity's Last Exam
6.2%
–
Long Context Reasoning
5.7%
–
SciCode
14.4%
–
τ-Bench Banking
7.2%
–
Terminal-Bench
4.5%
–
Speed
0 tok/s
–
Latency
0s
–

Benchmark data by Artificial Analysis.

How LFM2.5-2.6B and MiMo-V2.6-Pro-UltraSpeed score

🏆 Best value & openness: LFM2.5-2.6B (4.4 vs 3.2 / 5)
CriterionLFM2.5-2.6BMiMo-V2.6-Pro-UltraSpeed
Cost-efficiency5.03.5
Context window3.55.0
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

LFM2.5-2.6B Open

Liquid · Open-weight

LFM2.5-2.6B is a compact reasoning model from Liquid AI. It is suited for agent workflows, data extraction, RAG, and long-context processing. Liquid advises against using it for agentic coding or...

MiMo-V2.6-Pro-UltraSpeed Paid

Xiaomi · Proprietary

MiMo-V2.6-Pro-UltraSpeed is the fast speed edition of Xiaomi's flagship foundation model, MiMo-V2.6-Pro. Built from the same 1T MiMo-V2.6-Pro checkpoint, it matches the original model in quality while delivering roughly 10x...

Other models in these families

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

Other variants tracked
LFM2.5-2.6B (free)LFM2.5-24B-A2B

Frequently asked questions

Is LFM2.5-2.6B as good as MiMo-V2.6-Pro-UltraSpeed?

LFM2.5-2.6B is open-weight and competitive on many tasks, but MiMo-V2.6-Pro-UltraSpeed 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 LFM2.5-2.6B locally?

Yes. LFM2.5-2.6B has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. MiMo-V2.6-Pro-UltraSpeed is API-only and cannot be self-hosted.

How much cheaper is LFM2.5-2.6B?

LFM2.5-2.6B costs $0.5/M output vs $8.7/M for MiMo-V2.6-Pro-UltraSpeed — roughly 17x cheaper via API, and free if you self-host.

LFM2.5-2.6B vs MiMo-V2.6-Pro-UltraSpeed — which should I pick in 2026?

Choose LFM2.5-2.6B 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 MiMo-V2.6-Pro-UltraSpeed if you want frontier capability through a managed API with zero infrastructure to run.

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