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ModelCap

Head-to-head comparison

Qwen2.5 72B Instruct vs Qwen3 30B A3B Instruct 2507

Qwen2.5 72B Instruct (Qwen) and Qwen3 30B A3B Instruct 2507 (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 30B A3B Instruct 2507 holds the stronger ModelCap Index position (#107 vs #183); Qwen3 30B A3B Instruct 2507 is 2.1× cheaper per output token ($0.193/1M vs $0.40/1M); Qwen3 30B A3B Instruct 2507 offers the longer context window (262K vs 33K tokens); and Qwen3 30B A3B Instruct 2507 ships open weights.

Which should you choose?

Choose Qwen2.5 72B Instruct if…

  • ModelCap publishes no field on which Qwen2.5 72B Instruct leads Qwen3 30B A3B Instruct 2507 for this pair.

Choose Qwen3 30B A3B Instruct 2507 if…

  • you want the stronger overall ModelCap Index position — #107 against #183 (50.5 vs 26.0 points).
  • API cost matters — $0.193/1M output tokens against $0.40/1M, about 2.1× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.048/1M against $0.36/1M.
  • you need the longer context window — 262K tokens against 33K.
  • you want to self-host: Qwen3 30B A3B Instruct 2507 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 — 1439 against 1355.
  • you want the more recently listed model — Qwen3 30B A3B Instruct 2507 was listed 29 July 2025, Qwen2.5 72B Instruct 19 September 2024.

Qwen2.5 72B Instruct vs Qwen3 30B A3B Instruct 2507: specs, pricing and context

Specification comparison of Qwen2.5 72B Instruct and Qwen3 30B A3B Instruct 2507
FieldQwen2.5 72B InstructQwenQwen3 30B A3B Instruct 2507Qwen
ModelCap Index position#183#107
Index score26.050.5
EvidenceMeasuredMeasured
Input price / 1M tokens$0.36$0.048
Output price / 1M tokens$0.40$0.193
Context window33K tokens262K tokens
Max output tokens16K32K
API providers listed25
Weight accessRestricted licenseOpen weights
Input modalitiesTextText
First listed19 September 202429 July 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 30B A3B Instruct 2507

Public benchmark boards where Qwen2.5 72B Instruct or Qwen3 30B A3B Instruct 2507 has a published result
BoardQwen2.5 72B InstructQwen3 30B A3B Instruct 2507Leads
Arena codingArena (LMArena)13551348–136314391430–1448Qwen3 30B A3B Instruct 2507
BFCL V4UC Berkeley (Gorilla)—41.4Function callingOnly one result
AA τ²-Bench TelecomArtificial Analysis34.5%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen2.5 Instruct 72B":reasoning=false—Only one result
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=false—Only one result

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 30B A3B Instruct 2507: common questions

Is Qwen2.5 72B Instruct better than Qwen3 30B A3B Instruct 2507?

Qwen3 30B A3B Instruct 2507 ranks higher on the ModelCap Index as of 22 September 2026: #107 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 30B A3B Instruct 2507?

Qwen3 30B A3B Instruct 2507 is cheaper on output tokens: $0.193/1M against $0.40/1M. Input tokens are $0.36/1M for Qwen2.5 72B Instruct and $0.048/1M for Qwen3 30B A3B Instruct 2507. 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 $0.19 for Qwen3 30B A3B Instruct 2507. Qwen3 30B A3B Instruct 2507 costs 79.0% 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 30B A3B Instruct 2507?

Qwen3 30B A3B Instruct 2507 has the larger context window: 262K tokens against 33K.

Which is better for coding, Qwen2.5 72B Instruct or Qwen3 30B A3B Instruct 2507?

Arena coding: Qwen2.5 72B Instruct 1355, Qwen3 30B A3B Instruct 2507 1439 — Qwen3 30B A3B Instruct 2507 leads.

Are Qwen2.5 72B Instruct and Qwen3 30B A3B Instruct 2507 open-weight models?

Qwen2.5 72B Instruct: Restricted license. Qwen3 30B A3B Instruct 2507: 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 30B A3B Instruct 2507?

ModelCap currently lists 2 API providers for Qwen2.5 72B Instruct and 5 for Qwen3 30B A3B Instruct 2507, 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 30B A3B Instruct 2507 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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