GPT-4.1 Mini vs Skyfall 36B V2

GPT-4.1 Mini at $0.460 in and $1.84 out and Skyfall 36B V2 at $0.632 in and $0.920 out — per million tokens, from the same wallet.

GPT-4.1 Mini

OpenAI

0.38¢

for a client proposal

$0.460 in · $1.84 out / 1M

1.05M context · released April 2025

Full page →

Skyfall 36B V2

Thedrummer

0.39¢

for a client proposal

$0.632 in · $0.920 out / 1M

33K context · released March 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.77¢ for a typical client proposal.

At a glance

Cheapest input: GPT-4.1 Mini at $0.460 per million tokens.
Cheapest output: Skyfall 36B V2 at $0.920 per million tokens.
Largest context: GPT-4.1 Mini at 1.05M tokens — about 1,500 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

GPT-4.1 Mini

0.18¢

Skyfall 36B V2

0.17¢

Draft a client proposal from notes

5K in · 800 out

GPT-4.1 Mini

0.38¢

Skyfall 36B V2

0.39¢

Context-heavy session (Alyph workspace)

155K in · 4K out

GPT-4.1 Mini

$0.08

Skyfall 36B V2

needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out

GPT-4.1 Mini

1.8¢

Skyfall 36B V2

needs 35K ctx

Large architecture refactor

250K in · 3K out

GPT-4.1 Mini

$0.12

Skyfall 36B V2

needs 250K ctx

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

GPT-4.1 Mini

Skyfall 36B V2

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

Pricing

GPT-4.1 Mini

Skyfall 36B V2

Input / 1M tokens

$0.460

$0.632

Output / 1M tokens

$1.84

$0.920

Cached input / 1M

$0.115

$0.287

Web search

1.1¢ / search

—

Specs

GPT-4.1 Mini

Skyfall 36B V2

Provider

OpenAI

Thedrummer

Released

April 2025

March 2025

Context window

1.05M

33K

Max output

33K

Input

Images, Text, and Files

Text

Output

Text

Reasoning

Answers directly

Knowledge cutoff

2024-06-30

Try it with real numbers

2K tokens in · 500 tokens out.

GPT-4.1 Mini

OpenAI

0.18¢

for this task

50% input · 50% output

Full pricing →

Skyfall 36B V2

Thedrummer

0.17¢

for this task

73% input · 27% output

Full pricing →

All 2, same prompt and context: 0.36¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 1,402 of these.

Which should you pick?

For long documents, GPT-4.1 Mini has the largest context window here — 1.05M tokens.

On price, GPT-4.1 Mini is the cheapest of the two on a typical task, at about 0.38¢.

For images or files, GPT-4.1 Mini can read them directly; Skyfall 36B V2 is text-only.

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 →

GPT-4.1 Mini pricing →Skyfall 36B V2 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, GPT-4.1 Mini or Skyfall 36B V2?

On a typical client proposal (5K tokens in, 800 out): GPT-4.1 Mini at 0.38¢; Skyfall 36B V2 at 0.39¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

GPT-4.1 Mini — 1.05M tokens, about 1,500 pages.

Can I run GPT-4.1 Mini and Skyfall 36B V2 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 0.77¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.77¢ for a typical client proposal. Free to start, with $5 of credit.