Reka AI · Reka Flash
Reka's 21B open-weights reasoning model (March 2025), served on Reka's own API.
Leader: Claude Opus 5.5 at 58
Leader: Fugu at 92.9%
Leader: GLM-5.2 at 99.1%
Leader: GPT-6 Astra at 96.1%
Leader: Claude Opus 5.5 at 61.4%
Leader: GPT-5.6 Sol at 32.3%
Leader: Kimi K3 at 88.7%
| Result | Score | Reported by | Source |
|---|---|---|---|
| aime-2025 · AIME 2025; reasoning | 33.7% | independent | Artificial Analysis: Reka Flash 3 ↗ |
| Terminal-Bench Hard (AA) · reasoning | 0% | independent | Artificial Analysis: Reka Flash 3 ↗ |
| IFBench · reasoning | 30.4% | independent | Artificial Analysis: Reka Flash 3 ↗ |
| AA-Omniscience Index · reasoning | -65.1 index | independent | Artificial Analysis: Reka Flash 3 ↗ |