The Known Good Updated 25 Jul 2026
Google: Gemma 3 27B vs gpt-5.5-pre-release ·Google vs OpenAI

Google: Gemma 3 27B vs gpt-5.5-pre-release — head-to-head comparison

Google: Gemma 3 27B profile gpt-5.5-pre-release profile All comparisons
Google: Gemma 3 27B — Google
Quality
#47 of 61
37based on 3 of 6 evaluations
Known Good Index
Speed
#262 of 316
24.4
Output tokens per second
Price
#64 of 340
$0.17
Blended per 1M tokens
In $0.08 · Out $0.45
Cache hit price
#62 of 206
$0.040
per 1M tokens (−50%)
Context
#171 of 345
262k
tokens (~400 pages)
gpt-5.5-pre-release — OpenAI
Quality
#1 of 61
98based on 3 of 6 evaluations
Known Good Index
Speed
unranked
Output tokens per second
Price
unranked
Blended per 1M tokens
Cache hit price
unranked
per 1M tokens
Context
unranked
tokens
Summary

On the Known Good Index, Google: Gemma 3 27B scores 37 and gpt-5.5-pre-release scores 98 — a 61-point lead for gpt-5.5-pre-release. They share 2 published evaluations, with Google: Gemma 3 27B ahead on 0 and gpt-5.5-pre-release ahead on 2.

Published pricing is tracked for Google: Gemma 3 27B only, at $0.17 per 1M tokens blended.

Google: Gemma 3 27B is open weights under Open weights (restricted use); gpt-5.5-pre-release is proprietary. 5 tracked hosts serve one or both.

Generated from tracked data on 25 Jul 2026 · how these comparisons are computed →

At a glance
MetricGoogle: Gemma 3 27Bgpt-5.5-pre-release
Known Good Index 37 based on 3 of 6 evaluations 98 based on 3 of 6 evaluations
Blended $/1M $0.17
Output tok/s 24
Context window 262k
Providers 5 0
Jump to section

Quality

Known Good Index and the capability indices, side by side

IndicesComponents
Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

MetricGoogle: Gemma 3 27Bgpt-5.5-pre-release
Known Good Index 37 98
Mathematics Index 47 100
Science Index 44 99
Reasoning Index 40
Agentic Index 94
Openness Index 60 5
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = Google: Gemma 3 27B · marker = gpt-5.5-pre-release · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond49 / 94
MATH / AIME20 / 100

Right-hand figures read Google: Gemma 3 27B / gpt-5.5-pre-release. Google: Gemma 3 27B leads on 0 of 2, gpt-5.5-pre-release on 2.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

Neither model currently appears in an arena we ingest.

The Known Good

Price & Cost

Published API pricing by token type

Per token typeCache discount
Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

MetricGoogle: Gemma 3 27Bgpt-5.5-pre-release
Input $/1M $0.08
Output $/1M $0.45
Blended $/1M $0.17
Cache read $/1M $0.040
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

MetricGoogle: Gemma 3 27Bgpt-5.5-pre-release
Context window 262k
Max output tokens 131k
The Known Good

Speed & Latency

Median throughput and time to first token across hosting providers

Output speedTime to first token
Throughput and latency

Medians across all tracked providers, derived from OpenRouter endpoint telemetry.

MetricGoogle: Gemma 3 27Bgpt-5.5-pre-release
Output tokens/s 24
Time to first token 0.9s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

5 hosts
Full provider benchmarks →
Provider Google: Gemma 3 27B blendedGoogle: Gemma 3 27B tok/s gpt-5.5-pre-release blendedgpt-5.5-pre-release tok/s
Parasail $0.17 54
Novita $0.14 32
DeepInfra $0.10 22
Phala $0.23 15
Nebius $0.15 12

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0) Full attribution →