Model Comparison
GPT-5.4 vs Gemma 3 27BWhich is better in 2026?
GPT-5.4 significantly outperforms across most benchmarks. Gemma 3 27B is 45.0x cheaper per token.
Verdict: GPT-5.4 vs Gemma 3 27B — which is better?
GPT-5.4 (by OpenAI) and Gemma 3 27B (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-5.4 outperforms in 1 benchmarks (GPQA), while Gemma 3 27B is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.
On price, Gemma 3 27B is roughly 45.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5.4 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Mar 2026
Choose Gemma 3 27B if…
- cost matters — it's about 45.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.4 outperforms in 1 benchmarks (GPQA), while Gemma 3 27B is better at 0 benchmarks.
GPT-5.4 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.4 ($2.50/1M tokens) is 25.0x more expensive than Gemma 3 27B ($0.10/1M tokens).
For output processing, GPT-5.4 ($15.00/1M tokens) is 75.0x more expensive than Gemma 3 27B ($0.20/1M tokens).
In conclusion, GPT-5.4 is more expensive than Gemma 3 27B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.4 accepts 1,000,000 input tokens compared to Gemma 3 27B's 131,072 tokens. Gemma 3 27B can generate longer responses up to 131,072 tokens, while GPT-5.4 is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Both GPT-5.4 and Gemma 3 27B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.4
Gemma 3 27B
License
Usage and distribution terms
GPT-5.4 is licensed under a proprietary license, while Gemma 3 27B uses Gemma.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Gemma
Open weights
Release Timeline
When each model was launched
GPT-5.4 was released on 2026-03-05, while Gemma 3 27B was released on 2025-03-12.
GPT-5.4 is 12 months newer than Gemma 3 27B.
Mar 5, 2026
3 months ago
11mo newerMar 12, 2025
1.2 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-5.4 is available from OpenAI. Gemma 3 27B is available from DeepInfra, Novita.
GPT-5.4
Gemma 3 27B
Outputs Comparison
Key Takeaways
GPT-5.4
View detailsOpenAI
Gemma 3 27B
View detailsDetailed Comparison
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FAQ
Common questions about GPT-5.4 vs Gemma 3 27B.