Step 3.7 Flash vs GLM 5.2

Step 3.7 Flash at $0.230 in and $1.32 out and GLM 5.2 at $0.290 in and $0.911 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 →

GLM 5.2

Z.ai

0.22¢

for a client proposal

$0.290 in · $0.911 out / 1M

1.02M context · released 2 months ago

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: GLM 5.2 at $0.911 per million tokens.
Largest context: GLM 5.2 at 1.02M 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

Step 3.7 Flash

0.11¢

GLM 5.2

0.1¢

Draft a client proposal from notes

5K in · 800 out

Step 3.7 Flash

0.22¢

GLM 5.2

0.22¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Step 3.7 Flash

4.1¢

GLM 5.2

4.9¢

Analyze a 50-page legal contract

35K in · 1K out

Step 3.7 Flash

0.94¢

GLM 5.2

1.1¢

Large architecture refactor

250K in · 3K out

Step 3.7 Flash

$0.06

GLM 5.2

$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

Step 3.7 Flash

GLM 5.2

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

Pricing

Step 3.7 Flash

GLM 5.2

Input / 1M tokens

$0.230

$0.290

Output / 1M tokens

$1.32

$0.911

Cached input / 1M

$0.046

$0.054

Specs

Step 3.7 Flash

GLM 5.2

Provider

StepFun

Z.ai

Released

2 months ago

Context window

256K

1.02M

Max output

256K

128K

Input

Text, Images, and Video

Text

Output

Text

Reasoning

Shows its thinking

Knowledge cutoff

—

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 →

GLM 5.2

Z.ai

0.1¢

for this task

56% input · 44% output

Full pricing →

All 2, same prompt and context: 0.22¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 2,318 of these.

Which should you pick?

For long documents, GLM 5.2 has the largest context window here — 1.02M tokens.

On price, GLM 5.2 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; GLM 5.2 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 →

Step 3.7 Flash pricing →GLM 5.2 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Step 3.7 Flash or GLM 5.2?

On a typical client proposal (5K tokens in, 800 out): GLM 5.2 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?

GLM 5.2 — 1.02M tokens, about 1,500 pages.

Can I run Step 3.7 Flash and GLM 5.2 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.