inclusionAI: Ling-2.6-flash wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | inclusionAI: Ling-2.6-flash | OpenAI: GPT-5 Nano |
|---|---|---|
| Intelligence Index | 26.2✓ | 25.9 |
| Coding Index | 23.2✓ | 22.9 |
| GPQA Diamond | 59% | 67%✓ |
| Design Arena Elo | — | 1146✓ |
| Speed (tokens/sec) | 117✓ | 107 |
| Latency | 825ms✓ | 2.1s |
| Input price /M | $0.010✓ | $0.050 |
| Output price /M | $0.030✓ | $0.400 |
| Context window | 262K | 400K✓ |
| Capabilities | ToolsJSON | ReasoningToolsJSONVision |