API cost decision in 10 seconds

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

Pick LFM2.5-2.6B for lower cost; pick MiMo-V2.6-Pro-UltraSpeed only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick LFM2.5-2.6B for lower cost; pick MiMo-V2.6-Pro-UltraSpeed only if the larger context window matters more.

On the standard 1M input plus 500K output workload, LFM2.5-2.6B is estimated at $0.6 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $8.1 (93.1% lower).

Cost-first pickLFM2.5-2.6B
Context-first pickMiMo-V2.6-Pro-UltraSpeed
Sample savings$8.193.1%
10x traffic gap$81

MiMo-V2.6-Pro-UltraSpeed has more context, but LFM2.5-2.6B saves $8.1 on the standard workload. At 10x that traffic, the same price gap is about $81. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

LFM2.5-2.6B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickMiMo-V2.6-Pro-UltraSpeedLFM2.5-2.6B
Input-heavy / RAG5M input + 500K outputLFM2.5-2.6B$26.1$2
Balanced workload1M input + 1M outputLFM2.5-2.6B$13.05$0.85
Output-heavy chatbot1M input + 5M outputLFM2.5-2.6B$47.85$2.85
Cheaper input LFM2.5-2.6B $4.35 vs $0.35 / 1M

LFM2.5-2.6B is $4 cheaper per 1M input tokens (92% lower; 12.4x difference).

Cheaper output LFM2.5-2.6B $8.7 vs $0.5 / 1M

LFM2.5-2.6B is $8.2 cheaper per 1M output tokens (94.3% lower; 17.4x difference).

Larger context MiMo-V2.6-Pro-UltraSpeed 1.05M vs 128K

MiMo-V2.6-Pro-UltraSpeed has 920.58K more context (8.19x larger).

Sample workload LFM2.5-2.6B $8.7 vs $0.6

LFM2.5-2.6B is $8.1 cheaper on the standard workload (93.1% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
MiMo-V2.6-Pro-UltraSpeed Calculating… Estimated API cost
LFM2.5-2.6B Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

LFM2.5-2.6B has the lower input price; LFM2.5-2.6B has the lower output price; MiMo-V2.6-Pro-UltraSpeed offers the larger context window. For the 1M input plus 500K output sample, LFM2.5-2.6B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $8.7 for MiMo-V2.6-Pro-UltraSpeed and $0.6 for LFM2.5-2.6B.

Best Fit

Choose MiMo-V2.6-Pro-UltraSpeed when you care most about larger context window.

Choose LFM2.5-2.6B when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, LFM2.5-2.6B is estimated at $0.6 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $8.1 (93.1% lower).
  • LFM2.5-2.6B is $8.1 cheaper on the standard workload (93.1% lower).
  • LFM2.5-2.6B is $4 cheaper per 1M input tokens (92% lower; 12.4x difference).
  • LFM2.5-2.6B is $8.2 cheaper per 1M output tokens (94.3% lower; 17.4x difference).
  • MiMo-V2.6-Pro-UltraSpeed has 920.58K more context (8.19x larger).
Head-to-Head Specs
FeatureMiMo-V2.6-Pro-UltraSpeed
(Xiaomi)		LFM2.5-2.6B
(LiquidAI)
Input Price
prompt tokens per 1M		$4.35$0.35
Completion Price
per 1M tokens		$8.7$0.5
Sample Workload Cost
1M input + 500K output		$8.7$0.6
Context Window1.05M128K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionLFM2.5-2.6BOn the standard 1M input plus 500K output workload, LFM2.5-2.6B is estimated at $0.6 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $8.1 (93.1% lower).
High-volume input processingLFM2.5-2.6BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsLFM2.5-2.6BLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workMiMo-V2.6-Pro-UltraSpeedA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • MiMo-V2.5 can replace MiMo-V2.6-Pro-UltraSpeed when lower sample workload cost matters most: $0.24.
  • MiMo-V2-Flash can replace MiMo-V2.6-Pro-UltraSpeed when lower sample workload cost matters most: $0.25.
  • MiMo-V2.6-Flash can replace MiMo-V2.6-Pro-UltraSpeed when lower sample workload cost matters most: $0.28.
  • MiMo-V2.5-Pro can replace MiMo-V2.6-Pro-UltraSpeed when lower sample workload cost matters most: $0.61.
Larger context near this budget

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Xiaomi catalog

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LiquidAI catalog

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MiMo-V2.6-Pro-UltraSpeed

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...

LFM2.5-2.6B

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...