Key Takeaways
Gemma 3 27B wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5 Nano wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Gemma 3 27B
Benchmark Advantage
GPT-5 Nano
Context Window
GPT-5 Nano
Speed
GPT-5 Nano
Pricing Comparison
Price Comparison
| Metric | Gemma 3 27B | GPT-5 Nano | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.04 | $0.05 | Gemma 3 27B |
| Output (per 1M tokens) | $0.15 | $0.40 | Gemma 3 27B |
| Cache Read (per 1M) | $20000.00 | $5000.00 | GPT-5 Nano |
Using a 3:1 input/output ratio, Gemma 3 27B is 51% cheaper overall.
Gemma 3 27B Providers
Chutes $0.04 (Cheapest)
Parasail $0.08
DeepInfra $0.08
Nebius $0.10
Phala $0.11
GPT-5 Nano Providers
OpenAI $0.05 (Cheapest)
Azure $0.05 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
0
Gemma 3 27B Wins
6
GPT-5 Nano Wins
Benchmark Scores
| Benchmark | Gemma 3 27B | GPT-5 Nano | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 10.2 | 26.7 | |
Coding Index Code generation & understanding | 9.6 | 20.3 | |
Math Index Mathematical reasoning | 20.7 | 83.7 | |
MMLU Pro Academic knowledge | 66.9 | 78.0 | |
GPQA Graduate-level science | 42.8 | 67.6 | |
LiveCodeBench Competitive programming | 13.7 | 78.9 | |
Aider Real-world code editing | 4.9 | - | - |
AIME Competition math | 25.3 | - | - |
GPT-5 Nano significantly outperforms in coding benchmarks.
Cost vs Quality
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Y-axis:
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Gemma 3 27B
Other models
Context & Performance
Context Window
Gemma 3 27B
128,000
tokens
Max output: 65,536 tokens
GPT-5 Nano
400,000
tokens
Max output: 128,000 tokens
GPT-5 Nano has a 68% larger context window.
Speed Performance
| Metric | Gemma 3 27B | GPT-5 Nano | Winner |
|---|---|---|---|
| Tokens/second | 34.7 tok/s | 141.5 tok/s | |
| Time to First Token | 2.03s | 110.10s |
GPT-5 Nano responds 308% faster on average.
Capabilities
Feature Comparison
| Feature | Gemma 3 27B | GPT-5 Nano |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Gemma 3 27B | GPT-5 Nano |
|---|---|---|
| License | Open Source | Proprietary |
| Author | OpenAI | |
| Released | Mar 2025 | Aug 2025 |
Gemma 3 27B Modalities
Input
textimage
Output
text
GPT-5 Nano Modalities
Input
textimagefile
Output
text