API cost decision in 10 seconds

Qwen3.5 Plus 2026-04-20 vs LFM2-24B-A2B

Pick LFM2-24B-A2B for lower cost; pick Qwen3.5 Plus 2026-04-20 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 LFM2-24B-A2B for lower cost; pick Qwen3.5 Plus 2026-04-20 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 $1.2 for Qwen3.5 Plus 2026-04-20, saving $1.11 (92.5% lower).

Cost-first pickLFM2-24B-A2B
Context-first pickQwen3.5 Plus 2026-04-20
Sample savings$1.1192.5%
10x traffic gap$11.1

Qwen3.5 Plus 2026-04-20 has more context, but LFM2-24B-A2B saves $1.11 on the standard workload. At 10x that traffic, the same price gap is about $11.1. 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 pickQwen3.5 Plus 2026-04-20LFM2-24B-A2B
Input-heavy / RAG5M input + 500K outputLFM2-24B-A2B$2.4$0.21
Balanced workload1M input + 1M outputLFM2-24B-A2B$2.1$0.15
Output-heavy chatbot1M input + 5M outputLFM2-24B-A2B$9.3$0.63
Cheaper input LFM2-24B-A2B $0.3 vs $0.03 / 1M

LFM2-24B-A2B is $0.27 cheaper per 1M input tokens (90% lower; 10x difference).

Cheaper output LFM2-24B-A2B $1.8 vs $0.12 / 1M

LFM2-24B-A2B is $1.68 cheaper per 1M output tokens (93.3% lower; 15x difference).

Larger context Qwen3.5 Plus 2026-04-20 1M vs 128K

Qwen3.5 Plus 2026-04-20 has 872K more context (7.81x larger).

Sample workload LFM2-24B-A2B $1.2 vs $0.09

LFM2-24B-A2B is $1.11 cheaper on the standard workload (92.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Qwen3.5 Plus 2026-04-20 Calculating… Estimated API cost
LFM2-24B-A2B 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; Qwen3.5 Plus 2026-04-20 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 $1.2 for Qwen3.5 Plus 2026-04-20 and $0.09 for LFM2-24B-A2B.

Best Fit

Choose Qwen3.5 Plus 2026-04-20 when you care most about larger context window.

Choose LFM2-24B-A2B 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, LFM2-24B-A2B is estimated at $0.09 vs $1.2 for Qwen3.5 Plus 2026-04-20, saving $1.11 (92.5% lower).
  • LFM2-24B-A2B is $1.11 cheaper on the standard workload (92.5% lower).
  • LFM2-24B-A2B is $0.27 cheaper per 1M input tokens (90% lower; 10x difference).
  • LFM2-24B-A2B is $1.68 cheaper per 1M output tokens (93.3% lower; 15x difference).
  • Qwen3.5 Plus 2026-04-20 has 872K more context (7.81x larger).
Head-to-Head Specs
FeatureQwen3.5 Plus 2026-04-20
(Qwen)
LFM2-24B-A2B
(LiquidAI)
Input Price
prompt tokens per 1M
$0.3$0.03
Completion Price
per 1M tokens
$1.8$0.12
Sample Workload Cost
1M input + 500K output
$1.2$0.09
Context Window1M128K
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 $1.2 for Qwen3.5 Plus 2026-04-20, saving $1.11 (92.5% 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 workQwen3.5 Plus 2026-04-20A larger context window leaves more room for retrieved passages, conversation history, or source files.

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Qwen catalog

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