KAT-Coder-Air V2.5 vs Qwen3 Coder Next

KAT-Coder-Air V2.5 at $0.172 in and $0.690 out and Qwen3 Coder Next at $0.138 in and $0.920 out — per million tokens, from the same wallet.

KAT-Coder-Air V2.5

Kwaipilot

0.14¢

for a client proposal

$0.172 in · $0.690 out / 1M

256K context · released 1 month ago

Full page →

Qwen3 Coder Next

Qwen

0.14¢

for a client proposal

$0.138 in · $0.920 out / 1M

262K context · released 6 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.28¢ for a typical client proposal.

At a glance

Cheapest input: Qwen3 Coder Next at $0.138 per million tokens.
Cheapest output: KAT-Coder-Air V2.5 at $0.690 per million tokens.
Largest context: Qwen3 Coder Next at 262K tokens — about 370 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

KAT-Coder-Air V2.5

0.07¢

Qwen3 Coder Next

0.07¢

Draft a client proposal from notes

5K in · 800 out

KAT-Coder-Air V2.5

0.14¢

Qwen3 Coder Next

0.14¢

Context-heavy session (Alyph workspace)

155K in · 4K out

KAT-Coder-Air V2.5

2.9¢

Qwen3 Coder Next

2.5¢

Analyze a 50-page legal contract

35K in · 1K out

KAT-Coder-Air V2.5

0.67¢

Qwen3 Coder Next

0.57¢

Large architecture refactor

250K in · 3K out

KAT-Coder-Air V2.5

4.5¢

Qwen3 Coder Next

3.7¢

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

KAT-Coder-Air V2.5

Qwen3 Coder Next

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

Pricing

KAT-Coder-Air V2.5

Qwen3 Coder Next

Input / 1M tokens

$0.172

$0.138

Output / 1M tokens

$0.690

$0.920

Cached input / 1M

$0.035

$0.081

Specs

KAT-Coder-Air V2.5

Qwen3 Coder Next

Provider

Kwaipilot

Qwen

Released

1 month ago

6 months ago

Context window

256K

262K

Max output

80K

262K

Input

Text

Output

Text

Reasoning

Answers directly

Knowledge cutoff

—

Try it with real numbers

2K tokens in · 500 tokens out.

KAT-Coder-Air V2.5

Kwaipilot

0.07¢

for this task

50% input · 50% output

Full pricing →

Qwen3 Coder Next

Qwen

0.07¢

for this task

38% input · 62% output

Full pricing →

All 2, same prompt and context: 0.14¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 3,506 of these.

Which should you pick?

For long documents, Qwen3 Coder Next has the largest context window here — 262K tokens.

On price, KAT-Coder-Air V2.5 is the cheapest of the two on a typical task, at about 0.14¢.

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 →

KAT-Coder-Air V2.5 pricing →Qwen3 Coder Next pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, KAT-Coder-Air V2.5 or Qwen3 Coder Next?

On a typical client proposal (5K tokens in, 800 out): KAT-Coder-Air V2.5 at 0.14¢; Qwen3 Coder Next at 0.14¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Qwen3 Coder Next — 262K tokens, about 370 pages.

Can I run KAT-Coder-Air V2.5 and Qwen3 Coder Next 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 0.28¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.28¢ for a typical client proposal. Free to start, with $5 of credit.