AI model comparison

Gemma 3 27B vs GPT-3.5 Turbo

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Gemma 3 introduces multimodality, supporting vision-language input and text outputs.

Input / 1M
$0.08
Output / 1M
$0.45
Context
131K

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks.

Input / 1M
$0.50
Output / 1M
$1.50
Context
16K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

google logo

Gemma 3 27B

4.5x cheaper for a typical chat

Higher intelligence score

openai logo

GPT-3.5 Turbo

5.5 vs 4.9 on Artificial Analysis

Larger context window

google logo

Gemma 3 27B

131K vs 16K tokens

Newer release

google logo

Gemma 3 27B

Released March 12, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

google logoGemma 3 27B4.9
openai logoGPT-3.5 Turbo5.5

Coding index

google logoGemma 3 27B10.1
openai logoGPT-3.5 Turbo10.7

Agentic index

google logoGemma 3 27B0.1
openai logoGPT-3.5 TurboNot available

Pricing

Gemma 3 27B vs GPT-3.5 Turbo API pricing

Per-token API rates. Cheaper option highlighted.

Metricgoogle logoGemma 3 27Bopenai logoGPT-3.5 Turbo
Input tokensPer 1M tokens$0.08$0.50
Output tokensPer 1M tokens$0.45$1.50
Cached input (read)Per 1M tokens$0.04Not available
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

google logoGemma 3 27B$0.39
openai logoGPT-3.5 Turbo$1.75

Coding task

30K in, 4K out

google logoGemma 3 27B$4.20$3 cached
openai logoGPT-3.5 Turbo$21

Long document summary

150K in, 2K out

google logoGemma 3 27B$12.90$6.90 cached
openai logoGPT-3.5 Turbo$78

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricgoogle logoGemma 3 27Bopenai logoGPT-3.5 Turbo
Context window131K tokens16K tokens
Max output118K tokens4K tokens
Input typesImage, TextText
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateMarch 12, 2025May 28, 2023

Features

Supported features

API features available for each model.

Metricgoogle logoGemma 3 27Bopenai logoGPT-3.5 Turbo
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningNot supportedNot supported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Gemma 3 27B is 4.5x cheaper for a typical chat. GPT-3.5 Turbo scores higher on the Artificial Analysis Intelligence Index (5.5 vs 4.9). Gemma 3 27B has the larger context window (131K vs 16K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Gemma 3 27B or GPT-3.5 Turbo cheaper?

Gemma 3 27B is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemma 3 27B costs $0.08 per 1M input tokens and $0.45 per 1M output tokens, while GPT-3.5 Turbo costs $0.50 per 1M input tokens and $1.50 per 1M output tokens.

Which has a bigger context window, Gemma 3 27B or GPT-3.5 Turbo?

Gemma 3 27B supports up to 131K tokens of context, compared with 16K for GPT-3.5 Turbo.

Is Gemma 3 27B smarter than GPT-3.5 Turbo?

On the Artificial Analysis Intelligence Index, Gemma 3 27B scores 4.9 and GPT-3.5 Turbo scores 5.5, putting GPT-3.5 Turbo ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Gemma 3 27B and GPT-3.5 Turbo at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemma 3 27B and GPT-3.5 Turbo answer side by side and keep the better response.

google logoopenai logo

Why choose? Ask both.

Send one prompt to Gemma 3 27B and GPT-3.5 Turbo at the same time. Compare the answers side by side and keep the best one.