Key Takeaways
Gemma 3 4B wins:
- Cheaper output tokens
- Supports vision
- Supports tool calls
GPT-OSS-20b wins:
- Cheaper input tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Gemma 3 4B
Benchmark Advantage
GPT-OSS-20b
Context Window
GPT-OSS-20b
Speed
GPT-OSS-20b
Pricing Comparison
Price Comparison
| Metric | Gemma 3 4B | GPT-OSS-20b | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.04 | $0.03 | GPT-OSS-20b |
| Output (per 1M tokens) | $0.08 | $0.14 | Gemma 3 4B |
Using a 3:1 input/output ratio, Gemma 3 4B is 13% cheaper overall.
Gemma 3 4B Providers
Amazon Bedrock $0.04 (Cheapest)
DeepInfra $0.04 (Cheapest)
Fireworks $0.20
GPT-OSS-20b Providers
DeepInfra $0.03 (Cheapest)
Parasail $0.04
Novita $0.04
NCompass $0.04
Clarifai $0.04
Benchmark Comparison
7
Benchmarks Compared
0
Gemma 3 4B Wins
6
GPT-OSS-20b Wins
Benchmark Scores
| Benchmark | Gemma 3 4B | GPT-OSS-20b | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 6.3 | 24.5 | |
Coding Index Code generation & understanding | 2.9 | 18.5 | |
Math Index Mathematical reasoning | 12.7 | 89.3 | |
MMLU Pro Academic knowledge | 41.7 | 74.8 | |
GPQA Graduate-level science | 29.1 | 68.8 | |
LiveCodeBench Competitive programming | 11.2 | 77.7 | |
AIME Competition math | 6.3 | - | - |
GPT-OSS-20b significantly outperforms in coding benchmarks.
Cost vs Quality
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Gemma 3 4B
Other models
Context & Performance
Context Window
Gemma 3 4B
131,072
tokens
GPT-OSS-20b
131,072
tokens
Speed Performance
| Metric | Gemma 3 4B | GPT-OSS-20b | Winner |
|---|---|---|---|
| Tokens/second | 35.2 tok/s | 282.0 tok/s | |
| Time to First Token | 1.00s | 0.48s |
GPT-OSS-20b responds 701% faster on average.
Capabilities
Feature Comparison
| Feature | Gemma 3 4B | GPT-OSS-20b |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Gemma 3 4B | GPT-OSS-20b |
|---|---|---|
| License | Open Source | Open Source |
| Author | OpenAI | |
| Released | Mar 2025 | Aug 2025 |
Gemma 3 4B Modalities
Input
textimage
Output
text
GPT-OSS-20b Modalities
Input
text
Output
text