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Web apps (agent): the best AI models in October 2026
As of Oct 09, 2026, Claude Fable 5.1 leads the “Web apps (agent)” ranking, ahead of Muse Spark 1.3 and Kimi K3.
Best model with open weights: Kimi K3 (1,285).
Open in the interactive comparisonWeb apps (agent) ranking
Elo rating from head-to-head user votes on generated results. Not comparable with index points.
| Rank | Model | Licence | Elo | Input / output per 1M |
|---|---|---|---|---|
| 1 | Claude Fable 5.1Anthropic | Proprietary | 1,310 | $10.00 / $50.00 |
| 2 | Muse Spark 1.3Meta | Proprietary | 1,289 | $1.25 / $4.25 |
| 3 | Kimi K3Moonshot AI | Open | 1,285 | $0.82 / $13.50 |
| 4 | MiMo-V2.6-ProXiaomi | Open | 1,283 | $0.435 / $0.87 |
| 5 | Kimi K2.6Moonshot AI | Open | 1,268 | $0.434 / $2.45 |
| 6 | Claude Opus 5Anthropic | Proprietary | 1,259 | $5.00 / $25.00 |
| 7 | Claude Fable 5Anthropic | Proprietary | 1,254 | $10.00 / $50.00 |
| 8 | Grok 4.6xAI | Proprietary | 1,241 | $2.00 / $6.00 |
| 9 | Claude Sonnet 5Anthropic | Proprietary | 1,237 | $2.00 / $10.00 |
| 10 | Gemini 3.8 FlashGoogle | Proprietary | 1,230 | $0.75 / $3.75 |
| 11 | Claude Opus 4.8Anthropic | Proprietary | 1,224 | $5.00 / $25.00 |
| 12 | GLM 5.2Z.ai | Open | 1,215 | $0.06 / $6.00 |
| 13 | Muse Spark 1.2Meta | Proprietary | 1,215 | $1.25 / $4.25 |
| 14 | Gemini 3.7 FlashGoogle | Proprietary | 1,214 | $0.75 / $3.75 |
| 15 | Grok 4.5xAI | Proprietary | 1,209 | $2.00 / $6.00 |