GPT-4.1 Mini vs Inkling Small

GPT-4.1 Mini at $0.460 in and $1.84 out and Inkling Small at $0.517 in and $1.38 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 →

Inkling Small

Thinkingmachines

0.37¢

for a client proposal

$0.517 in · $1.38 out / 1M

524K context · released 1 week ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.75¢ for a typical client proposal.

At a glance

Cheapest input: GPT-4.1 Mini at $0.460 per million tokens.
Cheapest output: Inkling Small at $1.38 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¢

Inkling Small

0.17¢

Draft a client proposal from notes

5K in · 800 out

GPT-4.1 Mini

0.38¢

Inkling Small

0.37¢

Context-heavy session (Alyph workspace)

155K in · 4K out

GPT-4.1 Mini

$0.08

Inkling Small

$0.09

Analyze a 50-page legal contract

35K in · 1K out

GPT-4.1 Mini

1.8¢

Inkling Small

1.9¢

Large architecture refactor

250K in · 3K out

GPT-4.1 Mini

$0.12

Inkling Small

$0.13

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

Inkling Small

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

Pricing

GPT-4.1 Mini

Inkling Small

Input / 1M tokens

$0.460

$0.517

Output / 1M tokens

$1.84

$1.38

Cached input / 1M

$0.115

Web search

1.1¢ / search

—

Specs

GPT-4.1 Mini

Inkling Small

Provider

OpenAI

Thinkingmachines

Released

April 2025

1 week ago

Context window

1.05M

524K

Max output

33K

262K

Input

Images, Text, and Files

Text, Images, and Audio

Output

Text

Reasoning

Answers directly

Shows its thinking

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 →

Inkling Small

Thinkingmachines

0.17¢

for this task

60% input · 40% 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, Inkling Small is the cheapest of the two on a typical task, at about 0.37¢.

If you want to watch the model think, Inkling Small 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 →

GPT-4.1 Mini pricing →Inkling Small pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, GPT-4.1 Mini or Inkling Small?

On a typical client proposal (5K tokens in, 800 out): Inkling Small at 0.37¢; GPT-4.1 Mini at 0.38¢. 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 Inkling Small 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 0.75¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.75¢ for a typical client proposal. Free to start, with $5 of credit.