LLM·Dex
Rank · #3 of 7Open weightsFine-Tuning

Qwen2.5-72B for fine-tuning

Qwen2.5-72B is the #3 pick on LLMDex's llms for fine-tuning ranking out of 7 models we track for this use case. Below, the specific reasons it slots where it does, and when you should reach for an alternative.

Updated


At a glance

Rank
#3 of 7
Context
128K tokens
Output / 1M
Pricing not published
Released
Sep 2024

Why Qwen2.5-72B fits this task

Three things about Qwen2.5-72B that map directly onto what this task rewards: Mature deployment. Beyond the task-specific fit, Qwen2.5-72B also brings apache-2.0 and strong multilingual, both of which compound when the workload broadens.

The criteria this task rewards

LLMDex ranks best llms for fine-tuning on 5 criteria , these are the axes the ranking uses, in priority order:

  • Sample efficiency (quality lift per 1k examples)
  • Catastrophic forgetting resistance
  • LoRA / QLoRA support quality
  • License compatibility for fine-tuned-derivative deployment
  • Tooling maturity (Axolotl, Unsloth, TRL)

How Qwen2.5-72B scores on each axis

Where Qwen2.5-72B costs you: superseded by qwen3 for new builds. For most teams this is acceptable on this workload, the value of the strengths above outweighs the cost. For cost-bound workloads or teams with strict latency budgets, run an eval against the next two ranked models on real data before committing.

Strengths that pay off here

  • Mature deployment
  • Apache-2.0
  • Strong multilingual

Tracked weaknesses

  • Superseded by Qwen3 for new builds

When to pick something else

If you can pay slightly more or accept slightly different tradeoffs, Llama 4 70B from Meta ranks one position higher and tends to win on the hardest cases. Meta's mid-tier Llama 4, the practical workhorse for self-hosted deployments.

Try it

Run Qwen2.5-72B now

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Other models for fine-tuning

Qwen2.5-72B for other use cases

Direct comparisons

Frequently asked

  • Is Qwen2.5-72B good for fine-tuning?
    Qwen2.5-72B is ranked #3 on LLMDex's fine-tuning list. The previous-generation Qwen flagship, still widely deployed for stability.
  • How much does Qwen2.5-72B cost for fine-tuning?
    Alibaba has not published per-token pricing for Qwen2.5-72B at the time of writing.
  • What's a cheaper alternative to Qwen2.5-72B for fine-tuning?
    The next ranked model on this task is Qwen2.5-7B. Compare both before committing.
  • When should I NOT use Qwen2.5-72B for fine-tuning?
    Tracked weakness: Superseded by Qwen3 for new builds. If that constraint is binding for your workload, the next-ranked model on this task is the safer pick.
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