Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 5.9. Apertus 8B Instruct is 20.0x cheaper at $0.10/1M tokens vs $2.00/1M.
| Metric | Apertus 8B Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 5.9 | 57.2 |
| Coding Score | 1.4 | 55.5 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 141 tok/s | 113 tok/s |
| Latency (TTFT) | 2.14s | 23.84s |
| Input Price / 1M tokens | $0.10 | $2.00 |
| Output Price / 1M tokens | $0.20 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms Apertus 8B Instruct on the intelligence index with a score of 57.2 compared to 5.9. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 1.4.
Apertus 8B Instruct generates output significantly faster at 141 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s, making it 1.2x faster for streaming responses. Time to first token is 2.14s for Apertus 8B Instruct vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
Apertus 8B Instruct is more affordable at $0.10/1M input tokens ($0.20/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 20.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Apertus 8B Instruct would cost approximately $0.60/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose Apertus 8B Instruct when you need lower cost. Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 1.4), making it the better choice for programming tasks.
Apertus 8B Instruct is cheaper at $0.10/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
Apertus 8B Instruct is faster, producing output at 141 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s.
No, Apertus 8B Instruct does not support image input. However, Gemini 3.1 Pro Preview does support images.
Data last synced: March 26, 2026
| 1.0M |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Audio + File + Image + Text + Video |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but Apertus 8B Instruct may be better for specific use cases like budget-conscious projects or speed-critical applications.