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ModelCap

Head-to-head comparison

Qwen2.5 72B Instruct vs Qwen3 Next 80B A3B Instruct

Qwen2.5 72B Instruct (Qwen) and Qwen3 Next 80B A3B 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 22 September 2026

As of 22 September 2026, Qwen3 Next 80B A3B Instruct holds the stronger ModelCap Index position (#88 vs #183); Qwen2.5 72B Instruct is 2.8× cheaper per output token ($0.40/1M vs $1.10/1M); Qwen3 Next 80B A3B Instruct offers the longer context window (262K vs 33K tokens); and Qwen3 Next 80B A3B Instruct ships open weights.

Which should you choose?

Choose Qwen2.5 72B Instruct if…

  • API cost matters — $0.40/1M output tokens against $1.10/1M, about 2.8× cheaper.
  • AA τ²-Bench Telecom is your yardstick — 34.5% against 21.6%.

Choose Qwen3 Next 80B A3B Instruct if…

  • you want the stronger overall ModelCap Index position — #88 against #183 (55.4 vs 26.0 points).
  • your workload is prompt-heavy — input tokens cost $0.09/1M against $0.36/1M.
  • you need the longer context window — 262K tokens against 33K.
  • you want to self-host: Qwen3 Next 80B A3B Instruct ships open weights while Qwen2.5 72B Instruct is restricted license.
  • you want provider choice — 5 listed API providers against 2.
  • Arena coding is your yardstick — 1445 against 1355.
  • AA Humanity's Last Exam is your yardstick — 7.6% against 3.6%.
  • you want the more recently listed model — Qwen3 Next 80B A3B Instruct was listed 11 September 2025, Qwen2.5 72B Instruct 19 September 2024.

Qwen2.5 72B Instruct vs Qwen3 Next 80B A3B Instruct: specs, pricing and context

Specification comparison of Qwen2.5 72B Instruct and Qwen3 Next 80B A3B Instruct
FieldQwen2.5 72B InstructQwenQwen3 Next 80B A3B InstructQwen
ModelCap Index position#183#88
Index score26.055.4
EvidenceMeasuredMeasured
Input price / 1M tokens$0.36$0.09
Output price / 1M tokens$0.40$1.10
Context window33K tokens262K tokens
Max output tokens16K16K
API providers listed25
Weight accessRestricted licenseOpen weights
Input modalitiesTextText
First listed19 September 202411 September 2025
PublisherQwenQwen

Evidence: 2 public benchmark observations across 2 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen2.5 72B Instruct vs Qwen3 Next 80B A3B Instruct

Public benchmark boards where Qwen2.5 72B Instruct or Qwen3 Next 80B A3B Instruct has a published result
BoardQwen2.5 72B InstructQwen3 Next 80B A3B InstructLeads
Arena codingArena (LMArena)13551348–136314451436–1453Qwen3 Next 80B A3B Instruct
AA τ²-Bench TelecomArtificial Analysis34.5%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen2.5 Instruct 72B":reasoning=false21.6%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen3 Next 80B A3B Instruct":reasoning=falseQwen2.5 72B Instruct
AA Humanity's Last ExamArtificial Analysis3.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen2.5 Instruct 72B":reasoning=false7.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen3 Next 80B A3B Instruct":reasoning=falseQwen3 Next 80B A3B Instruct

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.

Qwen2.5 72B Instruct vs Qwen3 Next 80B A3B Instruct: common questions

Is Qwen2.5 72B Instruct better than Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct ranks higher on the ModelCap Index as of 22 September 2026: #88 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. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.

Is Qwen2.5 72B Instruct cheaper than Qwen3 Next 80B A3B Instruct?

Qwen2.5 72B Instruct is cheaper on output tokens: $0.40/1M against $1.10/1M. Input tokens are $0.36/1M for Qwen2.5 72B Instruct and $0.09/1M for Qwen3 Next 80B A3B Instruct. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.92 for Qwen2.5 72B Instruct versus $0.73 for Qwen3 Next 80B A3B Instruct. Qwen3 Next 80B A3B Instruct costs 20.7% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, Qwen2.5 72B Instruct or Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct has the larger context window: 262K tokens against 33K.

Which is better for coding, Qwen2.5 72B Instruct or Qwen3 Next 80B A3B Instruct?

Arena coding: Qwen2.5 72B Instruct 1355, Qwen3 Next 80B A3B Instruct 1445 — Qwen3 Next 80B A3B Instruct leads.

Are Qwen2.5 72B Instruct and Qwen3 Next 80B A3B Instruct open-weight models?

Qwen2.5 72B Instruct: Restricted license. Qwen3 Next 80B A3B Instruct: Open weights. 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 Qwen2.5 72B Instruct and Qwen3 Next 80B A3B Instruct?

ModelCap currently lists 2 API providers for Qwen2.5 72B Instruct and 5 for Qwen3 Next 80B A3B Instruct, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen2.5 72B Instruct vs Qwen3 Next 80B A3B Instruct comparison?

Every figure comes from the sealed ModelCap dataset published 22 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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