Board · Repo work
Coding agents
Artificial Analysis Coding Agent Index — average of DeepSWE, Terminal-Bench v2, and SWE-Atlas-QnA. This ranks agent + model + settings, not a raw base model.
Repo work · Index %
Coding agents
Updated 2026-09
| Rank | Model | Index % | Notes |
|---|---|---|---|
| 01 | Claude Code · Fable 5.1 maxAnthropic | 70.4 | With fallback |
| 02 | Claude Code · Opus 5 xhighAnthropic | 68.1 | Adaptive reasoning |
| 03 | Muse Code · Spark 1.3 maxMeta | 68.0 | Agent harness |
| 04 | Claude Code · Fable 5 maxAnthropic | 67.2 | With fallback |
| 05 | Claude Code · Opus 5 maxAnthropic | 67.0 | Tied with Codex Astra |
| 06 | Codex · GPT-6 Astra maxOpenAI | 67.0 | Tied with Opus 5 max |
| 07 | Claude Code · Fable 5 xhighAnthropic | 66.0 | With fallback |
| 08 | Codex · GPT-5.6 Sol maxOpenAI | 65.1 | Sol variant |
Artificial Analysis Coding Agent Index — average of DeepSWE, Terminal-Bench v2, and SWE-Atlas-QnA. This ranks agent + model + settings, not a raw base model.
Artificial Analysis coding agents