Qwen2.5 VL 72B Instruct vs Qwen3.6 Flash

Qwen2.5 VL 72B Instruct at $0.287 in and $0.863 out and Qwen3.6 Flash at $0.216 in and $1.29 out — per million tokens, from the same wallet.

Qwen2.5 VL 72B Instruct

Qwen

0.21¢

for a client proposal

$0.287 in · $0.863 out / 1M

32K context · released February 2025

Full page →

Qwen3.6 Flash

Qwen

0.21¢

for a client proposal

$0.216 in · $1.29 out / 1M

1M context · released 5 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.42¢ for a typical client proposal.

At a glance

Cheapest input: Qwen3.6 Flash at $0.216 per million tokens.
Cheapest output: Qwen2.5 VL 72B Instruct at $0.863 per million tokens.
Largest context: Qwen3.6 Flash at 1M tokens — about 1,400 pages.

Cost per task

Estimated totals at the rates above. Solid bar is input, lighter bar is output.

Quick code fix

2K in · 500 out

Qwen2.5 VL 72B Instruct

0.1¢

Qwen3.6 Flash

0.11¢

Draft a client proposal from notes

5K in · 800 out

Qwen2.5 VL 72B Instruct

0.21¢

Qwen3.6 Flash

0.21¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Qwen2.5 VL 72B Instruct

needs 155K ctx

Qwen3.6 Flash

3.9¢

Analyze a 50-page legal contract

35K in · 1K out

Qwen2.5 VL 72B Instruct

needs 35K ctx

Qwen3.6 Flash

0.89¢

Large architecture refactor

250K in · 3K out

Qwen2.5 VL 72B Instruct

needs 250K ctx

Qwen3.6 Flash

$0.06

Solid part of each bar is input tokens, the lighter part is output. Models that don’t fit a task are marked instead of priced.

Cost vs Token Amount

Drag the slider to adjust the split between input and output workload.

80% Input20% Output

Qwen2.5 VL 72B Instruct

Qwen3.6 Flash

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

Pricing

Qwen2.5 VL 72B Instruct

Qwen3.6 Flash

Input / 1M tokens

$0.287

$0.216

Output / 1M tokens

$0.863

$1.29

Specs

Qwen2.5 VL 72B Instruct

Qwen3.6 Flash

Provider

Qwen

Released

February 2025

5 months ago

Context window

32K

Max output

—

66K

Input

Text and Images

Text, Images, and Video

Output

Text

Reasoning

Answers directly

Shows its thinking

Knowledge cutoff

2024-06-30

—

Try it with real numbers

2K tokens in · 500 tokens out.

Qwen2.5 VL 72B Instruct

Qwen

0.1¢

for this task

57% input · 43% output

Full pricing →

Qwen3.6 Flash

Qwen

0.11¢

for this task

40% input · 60% output

Full pricing →

All 2, same prompt and context: 0.21¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 2,397 of these.

Which should you pick?

For long documents, Qwen3.6 Flash has the largest context window here — 1M tokens.

On price, Qwen3.6 Flash is the cheapest of the two on a typical task, at about 0.21¢.

If you want to watch the model think, Qwen3.6 Flash shows reasoning; the other answers directly.

Or don’t pick. Send the identical prompt to all both, read the answers side by side, and keep the winner. How to run a fair bake-off →

Qwen2.5 VL 72B Instruct pricing →Qwen3.6 Flash pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Qwen2.5 VL 72B Instruct or Qwen3.6 Flash?

On a typical client proposal (5K tokens in, 800 out): Qwen3.6 Flash at 0.21¢; Qwen2.5 VL 72B Instruct at 0.21¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Qwen3.6 Flash — 1M tokens, about 1,400 pages.

Can I run Qwen2.5 VL 72B Instruct and Qwen3.6 Flash side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 2, answers rendered side by side, billed from one wallet. This exact combination costs about 0.42¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.42¢ for a typical client proposal. Free to start, with $5 of credit.