API cost decision in 10 seconds

LFM2-24B-A2B vs Gemini 3.1 Pro Preview

Pick LFM2-24B-A2B for lower cost; pick Gemini 3.1 Pro Preview only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick LFM2-24B-A2B for lower cost; pick Gemini 3.1 Pro Preview only if the larger context window matters more.

On the standard 1M input plus 500K output workload, LFM2-24B-A2B is estimated at $0.09 vs $8 for Gemini 3.1 Pro Preview, saving $7.91 (98.9% lower).

Cost-first pickLFM2-24B-A2B
Context-first pickGemini 3.1 Pro Preview
Sample savings$7.9198.9%
10x traffic gap$79.1

Gemini 3.1 Pro Preview has more context, but LFM2-24B-A2B saves $7.91 on the standard workload. At 10x that traffic, the same price gap is about $79.1. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

LFM2-24B-A2B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickLFM2-24B-A2BGemini 3.1 Pro Preview
Input-heavy / RAG5M input + 500K outputLFM2-24B-A2B$0.21$16
Balanced workload1M input + 1M outputLFM2-24B-A2B$0.15$14
Output-heavy chatbot1M input + 5M outputLFM2-24B-A2B$0.63$62
Cheaper input LFM2-24B-A2B $0.03 vs $2 / 1M

LFM2-24B-A2B is $1.97 cheaper per 1M input tokens (98.5% lower; 66.7x difference).

Cheaper output LFM2-24B-A2B $0.12 vs $12 / 1M

LFM2-24B-A2B is $11.88 cheaper per 1M output tokens (99% lower; 100x difference).

Larger context Gemini 3.1 Pro Preview 128K vs 1.05M

Gemini 3.1 Pro Preview has 920.58K more context (8.19x larger).

Sample workload LFM2-24B-A2B $0.09 vs $8

LFM2-24B-A2B is $7.91 cheaper on the standard workload (98.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
LFM2-24B-A2B Calculating… Estimated API cost
Gemini 3.1 Pro Preview 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

LFM2-24B-A2B has the lower input price; LFM2-24B-A2B has the lower output price; Gemini 3.1 Pro Preview offers the larger context window. For the 1M input plus 500K output sample, LFM2-24B-A2B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.09 for LFM2-24B-A2B and $8 for Gemini 3.1 Pro Preview.

Best Fit

Choose LFM2-24B-A2B when you care most about lower input-token price, and lower output-token price.

Choose Gemini 3.1 Pro Preview when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, LFM2-24B-A2B is estimated at $0.09 vs $8 for Gemini 3.1 Pro Preview, saving $7.91 (98.9% lower).
  • LFM2-24B-A2B is $7.91 cheaper on the standard workload (98.9% lower).
  • LFM2-24B-A2B is $1.97 cheaper per 1M input tokens (98.5% lower; 66.7x difference).
  • LFM2-24B-A2B is $11.88 cheaper per 1M output tokens (99% lower; 100x difference).
  • Gemini 3.1 Pro Preview has 920.58K more context (8.19x larger).
Head-to-Head Specs
FeatureLFM2-24B-A2B
(LiquidAI)
Gemini 3.1 Pro Preview
(Google)
Input Price
prompt tokens per 1M
$0.03$2
Completion Price
per 1M tokens
$0.12$12
Sample Workload Cost
1M input + 500K output
$0.09$8
Context Window128K1.05M
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionLFM2-24B-A2BOn the standard 1M input plus 500K output workload, LFM2-24B-A2B is estimated at $0.09 vs $8 for Gemini 3.1 Pro Preview, saving $7.91 (98.9% lower).
High-volume input processingLFM2-24B-A2BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsLFM2-24B-A2BLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGemini 3.1 Pro PreviewA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • GPT-5.4 offers 1.05M context with $10 sample workload cost.
Popular competitors
  • No popular competitor is currently available.

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Provider catalogs

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LiquidAI catalog

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Google catalog

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LFM2-24B-A2B

LFM2-24B-A2B is the largest model in the LFM2 family of hybrid architectures designed for efficient on-device deployment. Built as a 24B parameter Mixture-of-Experts model with only 2B active parameters per...

Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...