Skip to content
ModelCap

Head-to-head comparison

Granite 4.2 8B vs Qwen2.5 72B Instruct

Granite 4.2 8B (IBM Granite) 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 9 September 2026

As of 9 September 2026, Qwen2.5 72B Instruct holds the stronger ModelCap Index position (#145 vs #147); Granite 4.2 8B is 1.6× cheaper per output token ($0.25/1M vs $0.40/1M); Granite 4.2 8B offers the longer context window (131K vs 33K tokens); and Granite 4.2 8B ships open weights.

Which should you choose?

Choose Granite 4.2 8B if…

  • API cost matters — $0.25/1M output tokens against $0.40/1M, about 1.6× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.06/1M against $0.36/1M.
  • you need the longer context window — 131K tokens against 33K.
  • you want to self-host: Granite 4.2 8B ships open weights while Qwen2.5 72B Instruct is restricted license.
  • Arena coding is your yardstick — 1364 against 1355.
  • AA Humanity's Last Exam is your yardstick — 9.7% against 3.6%.
  • you want the more recently listed model — Granite 4.2 8B was listed 31 August 2026, Qwen2.5 72B Instruct 19 September 2024.

Choose Qwen2.5 72B Instruct if…

  • you want the stronger overall ModelCap Index position — #145 against #147 (20.1 vs 18.7 points).

Granite 4.2 8B vs Qwen2.5 72B Instruct: specs, pricing and context

Specification comparison of Granite 4.2 8B and Qwen2.5 72B Instruct
FieldGranite 4.2 8BIBM GraniteQwen2.5 72B InstructQwen
ModelCap Index position#147#145
Index score18.720.1
EvidenceMeasuredMeasured
Input price / 1M tokens$0.06$0.36
Output price / 1M tokens$0.25$0.40
Context window131K tokens33K tokens
Max output tokens118K16K
API providers listed22
Weight accessOpen weightsRestricted license
Input modalitiesTextText
First listed31 August 202619 September 2024
PublisherIBM GraniteQwen

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: Granite 4.2 8B vs Qwen2.5 72B Instruct

Public benchmark boards where Granite 4.2 8B or Qwen2.5 72B Instruct has a published result
BoardGranite 4.2 8BQwen2.5 72B InstructLeads
Arena codingArena (LMArena)13641342–138613551348–1363Granite 4.2 8B
AA Terminal-Bench 2.1Artificial Analysis18.4%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Granite 4.2 8B":reasoning=true—Only one result
AA τ²-Bench TelecomArtificial Analysis—34.5%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen2.5 72B":reasoning=falseOnly one result
AA Humanity's Last ExamArtificial Analysis9.7%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Granite 4.2 8B":reasoning=true3.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen2.5 72B":reasoning=falseGranite 4.2 8B

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.

Granite 4.2 8B vs Qwen2.5 72B Instruct: common questions

Is Granite 4.2 8B better than Qwen2.5 72B Instruct?

Qwen2.5 72B Instruct ranks higher on the ModelCap Index as of 9 September 2026: #145 against #147. 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 overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Granite 4.2 8B cheaper than Qwen2.5 72B Instruct?

Granite 4.2 8B is cheaper on output tokens: $0.25/1M against $0.40/1M. Input tokens are $0.06/1M for Granite 4.2 8B and $0.36/1M for Qwen2.5 72B 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 $0.24 for Granite 4.2 8B versus $0.92 for Qwen2.5 72B Instruct. Granite 4.2 8B costs 73.4% 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, Granite 4.2 8B or Qwen2.5 72B Instruct?

Granite 4.2 8B has the larger context window: 131K tokens against 33K.

Which is better for coding, Granite 4.2 8B or Qwen2.5 72B Instruct?

Arena coding: Granite 4.2 8B 1364, Qwen2.5 72B Instruct 1355 — Granite 4.2 8B leads.

Are Granite 4.2 8B and Qwen2.5 72B Instruct open-weight models?

Granite 4.2 8B: Open weights. 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 Granite 4.2 8B and Qwen2.5 72B Instruct?

ModelCap currently lists 2 API providers for Granite 4.2 8B 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 Granite 4.2 8B vs Qwen2.5 72B Instruct comparison?

Every figure comes from the sealed ModelCap dataset published 9 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.

Explore further