Gemma 3 27B vs Gemma 4 31B

Gemma 3 27B at $0.092 in and $0.517 out and Gemma 4 31B at $0.115 in and $0.391 out — per million tokens, from the same wallet.

Gemma 3 27B

Google

0.09¢

for a client proposal

$0.092 in · $0.517 out / 1M

131K context · released March 2025

Full page →

Gemma 4 31B

Google

0.09¢

for a client proposal

$0.115 in · $0.391 out / 1M

262K context · released 6 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.18¢ for a typical client proposal.

At a glance

Cheapest input: Gemma 3 27B at $0.092 per million tokens.
Cheapest output: Gemma 4 31B at $0.391 per million tokens.
Largest context: Gemma 4 31B 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

Gemma 3 27B

0.04¢

Gemma 4 31B

0.04¢

Draft a client proposal from notes

5K in · 800 out

Gemma 3 27B

0.09¢

Gemma 4 31B

0.09¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Gemma 3 27B

needs 155K ctx

Gemma 4 31B

1.9¢

Analyze a 50-page legal contract

35K in · 1K out

Gemma 3 27B

0.37¢

Gemma 4 31B

0.44¢

Large architecture refactor

250K in · 3K out

Gemma 3 27B

needs 250K ctx

Gemma 4 31B

3¢

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

Gemma 3 27B

Gemma 4 31B

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

Pricing

Gemma 3 27B

Gemma 4 31B

Input / 1M tokens

$0.092

$0.115

Output / 1M tokens

$0.517

$0.391

Cached input / 1M

$0.046

$0.115

Specs

Gemma 3 27B

Gemma 4 31B

Provider

Google

Released

March 2025

6 months ago

Context window

131K

262K

Max output

131K

262K

Input

Text and Images

Images, Text, and Video

Output

Text

Reasoning

Answers directly

Shows its thinking

Knowledge cutoff

2024-08-31

—

Try it with real numbers

2K tokens in · 500 tokens out.

Gemma 3 27B

Google

0.04¢

for this task

42% input · 58% output

Full pricing →

Gemma 4 31B

Google

0.04¢

for this task

54% input · 46% output

Full pricing →

All 2, same prompt and context: 0.09¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 5,758 of these.

Which should you pick?

For long documents, Gemma 4 31B has the largest context window here — 262K tokens.

On price, Gemma 3 27B is the cheapest of the two on a typical task, at about 0.09¢.

If you want to watch the model think, Gemma 4 31B 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 →

Gemma 3 27B pricing →Gemma 4 31B pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Gemma 3 27B or Gemma 4 31B?

On a typical client proposal (5K tokens in, 800 out): Gemma 3 27B at 0.09¢; Gemma 4 31B at 0.09¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Gemma 4 31B — 262K tokens, about 370 pages.

Can I run Gemma 3 27B and Gemma 4 31B 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 0.18¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.18¢ for a typical client proposal. Free to start, with $5 of credit.