KAT-Coder-Pro V2 vs Qwen3.5 Plus 2026-02-15

KAT-Coder-Pro V2 at $0.345 in and $1.38 out and Qwen3.5 Plus 2026-02-15 at $0.299 in and $1.79 out — per million tokens, from the same wallet.

KAT-Coder-Pro V2

Kwaipilot

0.28¢

for a client proposal

$0.345 in · $1.38 out / 1M

256K context · released 8 months ago

Full page →

Qwen3.5 Plus 2026-02-15

Qwen

0.29¢

for a client proposal

$0.299 in · $1.79 out / 1M

1M context · released 9 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.58¢ for a typical client proposal.

At a glance

Cheapest input: Qwen3.5 Plus 2026-02-15 at $0.299 per million tokens.
Cheapest output: KAT-Coder-Pro V2 at $1.38 per million tokens.
Largest context: Qwen3.5 Plus 2026-02-15 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

KAT-Coder-Pro V2

0.14¢

Qwen3.5 Plus 2026-02-15

0.15¢

Draft a client proposal from notes

5K in · 800 out

KAT-Coder-Pro V2

0.28¢

Qwen3.5 Plus 2026-02-15

0.29¢

Context-heavy session (Alyph workspace)

155K in · 4K out

KAT-Coder-Pro V2

$0.06

Qwen3.5 Plus 2026-02-15

$0.05

Analyze a 50-page legal contract

35K in · 1K out

KAT-Coder-Pro V2

1.3¢

Qwen3.5 Plus 2026-02-15

1.2¢

Large architecture refactor

250K in · 3K out

KAT-Coder-Pro V2

$0.09

Qwen3.5 Plus 2026-02-15

$0.08

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-Pro V2

Qwen3.5 Plus 2026-02-15

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

Pricing

KAT-Coder-Pro V2

Qwen3.5 Plus 2026-02-15

Input / 1M tokens

$0.345

$0.299

Output / 1M tokens

$1.38

$1.79

Cached input / 1M

$0.069

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Specs

KAT-Coder-Pro V2

Qwen3.5 Plus 2026-02-15

Provider

Kwaipilot

Qwen

Released

8 months ago

9 months ago

Context window

256K

Max output

80K

66K

Input

Text

Text, Images, and Video

Output

Text

Reasoning

Answers directly

Shows its thinking

Knowledge cutoff

—

Try it with real numbers

2K tokens in · 500 tokens out.

KAT-Coder-Pro V2

Kwaipilot

0.14¢

for this task

50% input · 50% output

Full pricing →

Qwen3.5 Plus 2026-02-15

Qwen

0.15¢

for this task

40% input · 60% output

Full pricing →

All 2, same prompt and context: 0.29¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 1,739 of these.

Which should you pick?

For long documents, Qwen3.5 Plus 2026-02-15 has the largest context window here — 1M tokens.

On price, KAT-Coder-Pro V2 is the cheapest of the two on a typical task, at about 0.28¢.

For images or files, Qwen3.5 Plus 2026-02-15 can read them directly; KAT-Coder-Pro V2 is text-only.

If you want to watch the model think, Qwen3.5 Plus 2026-02-15 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 →

KAT-Coder-Pro V2 pricing →Qwen3.5 Plus 2026-02-15 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, KAT-Coder-Pro V2 or Qwen3.5 Plus 2026-02-15?

On a typical client proposal (5K tokens in, 800 out): KAT-Coder-Pro V2 at 0.28¢; Qwen3.5 Plus 2026-02-15 at 0.29¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Qwen3.5 Plus 2026-02-15 — 1M tokens, about 1,400 pages.

Can I run KAT-Coder-Pro V2 and Qwen3.5 Plus 2026-02-15 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 0.58¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.58¢ for a typical client proposal. Free to start, with $5 of credit.