Step 3.7 Flash vs Cydonia 24B V4.1

Step 3.7 Flash at $0.230 in and $1.32 out and Cydonia 24B V4.1 at $0.345 in and $0.575 out — per million tokens, from the same wallet.

Step 3.7 Flash

StepFun

0.22¢

for a client proposal

$0.230 in · $1.32 out / 1M

256K context · released 2 months ago

Full page →

Cydonia 24B V4.1

Thedrummer

0.22¢

for a client proposal

$0.345 in · $0.575 out / 1M

131K context · released September 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.44¢ for a typical client proposal.

At a glance

Cheapest input: Step 3.7 Flash at $0.230 per million tokens.
Cheapest output: Cydonia 24B V4.1 at $0.575 per million tokens.
Largest context: Step 3.7 Flash at 256K 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

Step 3.7 Flash

0.11¢

Cydonia 24B V4.1

0.1¢

Draft a client proposal from notes

5K in · 800 out

Step 3.7 Flash

0.22¢

Cydonia 24B V4.1

0.22¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Step 3.7 Flash

4.1¢

Cydonia 24B V4.1

needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out

Step 3.7 Flash

0.94¢

Cydonia 24B V4.1

1.3¢

Large architecture refactor

250K in · 3K out

Step 3.7 Flash

$0.06

Cydonia 24B V4.1

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

Step 3.7 Flash

Cydonia 24B V4.1

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

Pricing

Step 3.7 Flash

Cydonia 24B V4.1

Input / 1M tokens

$0.230

$0.345

Output / 1M tokens

$1.32

$0.575

Cached input / 1M

$0.046

$0.172

Specs

Step 3.7 Flash

Cydonia 24B V4.1

Provider

StepFun

Thedrummer

Released

2 months ago

September 2025

Context window

256K

131K

Max output

256K

131K

Input

Text, Images, and Video

Text

Output

Text

Reasoning

Shows its thinking

Answers directly

Knowledge cutoff

—

2024-04-30

Try it with real numbers

2K tokens in · 500 tokens out.

Step 3.7 Flash

StepFun

0.11¢

for this task

41% input · 59% output

Full pricing →

Cydonia 24B V4.1

Thedrummer

0.1¢

for this task

71% input · 29% 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 2,382 of these.

Which should you pick?

For long documents, Step 3.7 Flash has the largest context window here — 256K tokens.

On price, Cydonia 24B V4.1 is the cheapest of the two on a typical task, at about 0.22¢.

For images or files, Step 3.7 Flash can read them directly; Cydonia 24B V4.1 is text-only.

If you want to watch the model think, Step 3.7 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 →

Step 3.7 Flash pricing →Cydonia 24B V4.1 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Step 3.7 Flash or Cydonia 24B V4.1?

On a typical client proposal (5K tokens in, 800 out): Cydonia 24B V4.1 at 0.22¢; Step 3.7 Flash at 0.22¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Step 3.7 Flash — 256K tokens, about 370 pages.

Can I run Step 3.7 Flash and Cydonia 24B V4.1 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 0.44¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.44¢ for a typical client proposal. Free to start, with $5 of credit.