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Head-to-head comparison

LFM2.5-2.6B vs Qwen2.5 72B Instruct

LFM2.5-2.6B (Liquid) and Qwen2.5 72B Instruct (Qwen) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 3 September 2026

As of 3 September 2026, Qwen2.5 72B Instruct holds the stronger ModelCap Index position (#180 vs #183); LFM2.5-2.6B is cheaper per output token (Free/1M vs $0.40/1M); and LFM2.5-2.6B offers the longer context window (66K vs 33K tokens).

Which should you choose?

Choose LFM2.5-2.6B if…

  • API cost matters — Free/1M output tokens against $0.40/1M.
  • your workload is prompt-heavy — input tokens cost Free/1M against $0.36/1M.
  • you need the longer context window — 66K tokens against 33K.
  • AA Intelligence Index is your yardstick — 11.0 against 9.4.
  • AA Humanity's Last Exam is your yardstick — 6.2% against 3.6%.
  • you want the more recently listed model — LFM2.5-2.6B was listed 11 August 2026, Qwen2.5 72B Instruct 19 September 2024.

Choose Qwen2.5 72B Instruct if…

  • you want the stronger overall ModelCap Index position — #180 against #183 (17.2 vs 14.7 points).
  • you want provider choice — 2 listed API providers against 1.

LFM2.5-2.6B vs Qwen2.5 72B Instruct: specs, pricing and context

Specification comparison of LFM2.5-2.6B and Qwen2.5 72B Instruct
FieldLFM2.5-2.6BLiquidQwen2.5 72B InstructQwen
ModelCap Index position#183#180
Index score14.717.2
EvidenceMeasuredMeasured
Input price / 1M tokensFree$0.36
Output price / 1M tokensFree$0.40
Context window66K tokens33K tokens
Max output tokens8K16K
API providers listed12
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed11 August 202619 September 2024
PublisherLiquidQwen

Evidence: 1 public benchmark observation across 1 board · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: LFM2.5-2.6B vs Qwen2.5 72B Instruct

Public benchmark boards where LFM2.5-2.6B or Qwen2.5 72B Instruct has a published result
BoardLFM2.5-2.6BQwen2.5 72B InstructLeads
Arena codingArena (LMArena)—13551348–1363Only one result
AA Intelligence IndexArtificial Analysis11.0intelligence-index9.4intelligence-indexLFM2.5-2.6B
AA Terminal-Bench 2.1Artificial Analysis4.5%terminal-bench-2.1—Only one result
AA τ²-Bench TelecomArtificial Analysis—34.5%tau2-bench-telecomOnly one result
AA Humanity's Last ExamArtificial Analysis6.2%humanitys-last-exam3.6%humanitys-last-examLFM2.5-2.6B

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

LFM2.5-2.6B vs Qwen2.5 72B Instruct: common questions

Is LFM2.5-2.6B better than Qwen2.5 72B Instruct?

Qwen2.5 72B Instruct ranks higher on the ModelCap Index as of 3 September 2026: #180 against #183. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is LFM2.5-2.6B cheaper than Qwen2.5 72B Instruct?

LFM2.5-2.6B is cheaper on output tokens: Free/1M against $0.40/1M. Input tokens are Free/1M for LFM2.5-2.6B and $0.36/1M for Qwen2.5 72B Instruct. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, LFM2.5-2.6B or Qwen2.5 72B Instruct?

LFM2.5-2.6B has the larger context window: 66K tokens against 33K.

Which is better for coding, LFM2.5-2.6B or Qwen2.5 72B Instruct?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are LFM2.5-2.6B and Qwen2.5 72B Instruct open-weight models?

LFM2.5-2.6B: Restricted license. Qwen2.5 72B Instruct: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run LFM2.5-2.6B and Qwen2.5 72B Instruct?

ModelCap currently lists 1 API provider for LFM2.5-2.6B and 2 for Qwen2.5 72B Instruct, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this LFM2.5-2.6B vs Qwen2.5 72B Instruct comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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