Seed 1.6 Flash vs GLM 4.7 Flash

Seed 1.6 Flash at $0.086 in and $0.345 out and GLM 4.7 Flash at $0.069 in and $0.460 out — per million tokens, from the same wallet.

Seed 1.6 Flash

ByteDance Seed

0.07¢

for a client proposal

$0.086 in · $0.345 out / 1M

262K context · released December 2025

Full page →

GLM 4.7 Flash

Z.ai

0.07¢

for a client proposal

$0.069 in · $0.460 out / 1M

203K context · released 7 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.14¢ for a typical client proposal.

At a glance

Cheapest input: GLM 4.7 Flash at $0.069 per million tokens.
Cheapest output: Seed 1.6 Flash at $0.345 per million tokens.
Largest context: Seed 1.6 Flash at 262K 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

Seed 1.6 Flash

0.03¢

GLM 4.7 Flash

0.04¢

Draft a client proposal from notes

5K in · 800 out

Seed 1.6 Flash

0.07¢

GLM 4.7 Flash

0.07¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Seed 1.6 Flash

2.2¢

GLM 4.7 Flash

1.3¢

Long-context rate applied at this input size.

Analyze a 50-page legal contract

35K in · 1K out

Seed 1.6 Flash

0.34¢

GLM 4.7 Flash

0.29¢

Large architecture refactor

250K in · 3K out

Seed 1.6 Flash

3.2¢

GLM 4.7 Flash

needs 250K ctx

Long-context rate applied at this input size.

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

Seed 1.6 Flash

GLM 4.7 Flash

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

Pricing

Seed 1.6 Flash

GLM 4.7 Flash

Input / 1M tokens

$0.086

$0.069

Output / 1M tokens

$0.345

$0.460

Cached input / 1M

—

$0.011

Specs

Seed 1.6 Flash

GLM 4.7 Flash

Provider

ByteDance Seed

Z.ai

Released

December 2025

7 months ago

Context window

262K

203K

Max output

33K

16K

Input

Images, Text, and Video

Text

Output

Text

Reasoning

Shows its thinking

Knowledge cutoff

—

Try it with real numbers

2K tokens in · 500 tokens out.

Seed 1.6 Flash

ByteDance Seed

0.03¢

for this task

50% input · 50% output

Full pricing →

GLM 4.7 Flash

Z.ai

0.04¢

for this task

38% input · 62% output

Full pricing →

All 2, same prompt and context: 0.07¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 7,012 of these.

Which should you pick?

For long documents, Seed 1.6 Flash has the largest context window here — 262K tokens.

On price, Seed 1.6 Flash is the cheapest of the two on a typical task, at about 0.07¢.

For images or files, Seed 1.6 Flash can read them directly; GLM 4.7 Flash 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 →

Seed 1.6 Flash pricing →GLM 4.7 Flash pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Seed 1.6 Flash or GLM 4.7 Flash?

On a typical client proposal (5K tokens in, 800 out): Seed 1.6 Flash at 0.07¢; GLM 4.7 Flash at 0.07¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Seed 1.6 Flash — 262K tokens, about 370 pages.

Can I run Seed 1.6 Flash and GLM 4.7 Flash 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 0.14¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.14¢ for a typical client proposal. Free to start, with $5 of credit.