claude-opus-4-6-high leads Arena coding at 1535. Anthropic has held #1 for 280 days, but Z.ai.
Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.
Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"mode-vc-chart-best-llm-for-coding-the-arena-codi","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.
Everything here was measured by our prober or read from a registry. Nothing is self-reported.
Not distributed through a package registry we index.
| when | check | result | http | latency | detail |
|---|---|---|---|---|---|
| 5 h ago | mcp initialize | ok | 200 | 578 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 12 h ago | mcp initialize | ok | 200 | 186 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 18 h ago | mcp initialize | ok | 200 | 512 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 25 h ago | mcp initialize | ok | 200 | 214 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 32 h ago | mcp initialize | ok | 200 | 544 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 2 d ago | mcp initialize | ok | 200 | 216 ms | server com.modevc/chart-best-llm-for-coding 2.1.0 · protocol 2025-06-18 · 3 tools |
| 2 d ago | mcp initialize | ok | 200 | 476 ms | server com.modevc/chart-best-llm-for-coding 2.0.2 · protocol 2025-06-18 · 3 tools |
| 2 d ago | mcp initialize | ok | 200 | 199 ms | server com.modevc/chart-best-llm-for-coding 2.0.2 · protocol 2025-06-18 · 3 tools |
| 3 d ago | mcp initialize | ok | 200 | 494 ms | server com.modevc/chart-best-llm-for-coding 2.0.2 · protocol 2025-06-18 · 3 tools |
| 3 d ago | mcp initialize | ok | 200 | 398 ms | server com.modevc/chart-best-llm-for-coding 2.0.2 · protocol 2025-06-18 · 3 tools |
Attributed to the source that supplied each field. Treated as claims, not facts.
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Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.
Every source is kept verbatim. Field changes are logged as events.