Gemma 2 27B vs GPT-3.5 Turbo

Gemma 2 27B at $0.748 in and $0.748 out and GPT-3.5 Turbo at $0.575 in and $1.73 out — per million tokens, from the same wallet.

Gemma 2 27B

Google

0.43¢

for a client proposal

$0.748 in · $0.748 out / 1M

8K context · released July 2024

Full page →

GPT-3.5 Turbo

OpenAI

0.43¢

for a client proposal

$0.575 in · $1.73 out / 1M

16K context · released May 2023

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.86¢ for a typical client proposal.

At a glance

Cheapest input: GPT-3.5 Turbo at $0.575 per million tokens.
Cheapest output: Gemma 2 27B at $0.748 per million tokens.
Largest context: GPT-3.5 Turbo at 16K tokens — about 23 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 2 27B

0.19¢

GPT-3.5 Turbo

0.2¢

Draft a client proposal from notes

5K in · 800 out

Gemma 2 27B

0.43¢

GPT-3.5 Turbo

0.43¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Gemma 2 27B

needs 155K ctx

GPT-3.5 Turbo

needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out

Gemma 2 27B

needs 35K ctx

GPT-3.5 Turbo

needs 35K ctx

Large architecture refactor

250K in · 3K out

Gemma 2 27B

needs 250K ctx

GPT-3.5 Turbo

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

Gemma 2 27B

GPT-3.5 Turbo

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

Pricing

Gemma 2 27B

GPT-3.5 Turbo

Input / 1M tokens

$0.748

$0.575

Output / 1M tokens

$0.748

$1.73

Specs

Gemma 2 27B

GPT-3.5 Turbo

Provider

Google

OpenAI

Released

July 2024

May 2023

Context window

16K

Max output

Input

Text

Output

Text

Reasoning

Answers directly

Knowledge cutoff

2024-06-30

2021-09-30

Try it with real numbers

2K tokens in · 500 tokens out.

Gemma 2 27B

Google

0.19¢

for this task

80% input · 20% output

Full pricing →

GPT-3.5 Turbo

OpenAI

0.2¢

for this task

57% input · 43% output

Full pricing →

All 2, same prompt and context: 0.39¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 1,288 of these.

Which should you pick?

For long documents, GPT-3.5 Turbo has the largest context window here — 16K tokens.

On price, GPT-3.5 Turbo is the cheapest of the two on a typical task, at about 0.43¢.

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 2 27B pricing →GPT-3.5 Turbo pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Gemma 2 27B or GPT-3.5 Turbo?

On a typical client proposal (5K tokens in, 800 out): GPT-3.5 Turbo at 0.43¢; Gemma 2 27B at 0.43¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

GPT-3.5 Turbo — 16K tokens, about 23 pages.

Can I run Gemma 2 27B and GPT-3.5 Turbo 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 0.86¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.86¢ for a typical client proposal. Free to start, with $5 of credit.