AI model comparison

Qwen3 14B vs Qwen2.5 72B Instruct

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Qwen3-14B is a dense 14.8B parameter causal language model from the Qwen3 series, designed for both complex reasoning and efficient dialogue.

Input / 1M
$0.12
Output / 1M
$0.24
Context
41K

Qwen2.5 72B is the latest series of Qwen large language models.

Input / 1M
$0.36
Output / 1M
$0.40
Context
33K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

qwen logo

Qwen3 14B

2.6x cheaper for a typical chat

Higher intelligence score

qwen logo

Qwen3 14B

8.2 vs 7.7 on Artificial Analysis

Larger context window

qwen logo

Qwen3 14B

41K vs 33K tokens

Newer release

qwen logo

Qwen3 14B

Released April 28, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

qwen logoQwen3 14B8.2
qwen logoQwen2.5 72B Instruct7.7

Coding index

qwen logoQwen3 14B13.8
qwen logoQwen2.5 72B InstructNot available

Agentic index

qwen logoQwen3 14B0.9
qwen logoQwen2.5 72B InstructNot available

Pricing

Qwen3 14B vs Qwen2.5 72B Instruct API pricing

Per-token API rates. Cheaper option highlighted.

Metricqwen logoQwen3 14Bqwen logoQwen2.5 72B Instruct
Input tokensPer 1M tokens$0.12$0.36
Output tokensPer 1M tokens$0.24$0.40
Cached input (read)Per 1M tokensNot availableNot available
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

qwen logoQwen3 14B$0.36
qwen logoQwen2.5 72B Instruct$0.92

Coding task

30K in, 4K out

qwen logoQwen3 14B$4.56
qwen logoQwen2.5 72B Instruct$12.40

Long document summary

150K in, 2K out

qwen logoQwen3 14B$18.48
qwen logoQwen2.5 72B Instruct$54.80

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricqwen logoQwen3 14Bqwen logoQwen2.5 72B Instruct
Context window41K tokens33K tokens
Max output16K tokens16K tokens
Input typesTextText
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateApril 28, 2025September 19, 2024

Features

Supported features

API features available for each model.

Metricqwen logoQwen3 14Bqwen logoQwen2.5 72B Instruct
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedNot supported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Qwen3 14B is 2.6x cheaper for a typical chat. Qwen3 14B scores higher on the Artificial Analysis Intelligence Index (8.2 vs 7.7). Qwen3 14B has the larger context window (41K vs 33K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Qwen3 14B or Qwen2.5 72B Instruct cheaper?

Qwen3 14B is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3 14B costs $0.12 per 1M input tokens and $0.24 per 1M output tokens, while Qwen2.5 72B Instruct costs $0.36 per 1M input tokens and $0.40 per 1M output tokens.

Which has a bigger context window, Qwen3 14B or Qwen2.5 72B Instruct?

Qwen3 14B supports up to 41K tokens of context, compared with 33K for Qwen2.5 72B Instruct.

Is Qwen3 14B smarter than Qwen2.5 72B Instruct?

On the Artificial Analysis Intelligence Index, Qwen3 14B scores 8.2 and Qwen2.5 72B Instruct scores 7.7, putting Qwen3 14B ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Qwen3 14B and Qwen2.5 72B Instruct at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Qwen3 14B and Qwen2.5 72B Instruct answer side by side and keep the better response.

qwen logoqwen logo

Why choose? Ask both.

Send one prompt to Qwen3 14B and Qwen2.5 72B Instruct at the same time. Compare the answers side by side and keep the best one.