schema string | slug string | title string | date timestamp[s] | canonical_url string | claim string | takeaway string | sources list | data dict |
|---|---|---|---|---|---|---|---|---|
modevc.chart.v1 | open-weights-vs-proprietary-arena-gap | Open Weights vs. Proprietary AI: The Gap Stays at 42 Points | 2026-10-14T00:00:00 | https://modevc.com/charts/open-weights-vs-proprietary-arena-gap/ | Open weights briefly beat every proprietary model in early 2025 (deepseek-r1); today the best open model trails by 42 points. | A 42-point gap does not justify a 10× price premium for 80% of workflows. | [
{
"name": "Arena leaderboard dataset (lmarena-ai, CC BY 4.0)",
"url": "https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset"
}
] | {
"type": "line",
"yFmt": "pts",
"xFmt": "year",
"yDomain": [
-15,
140
],
"zero": true,
"zeroLabel": "Parity line (0 pts)",
"endLabels": true,
"series": [
{
"name": "Proprietary Lead",
"short": "Closed vs Open",
"pts": [
{
"t": 1704758400000,
"... |
Open Weights vs. Proprietary AI: The Gap Stays at 42 Points
Empirical Claim: Open weights briefly beat every proprietary model in early 2025 (deepseek-r1); today the best open model trails by 42 points.
Best proprietary rating minus best openly licensed rating, per snapshot, Arena points · below 0 = open model leads · 2024 – Oct 2026.
Canonical Interactive Visualization & Primary Source
- Interactive D3 Chart & Full Analysis: https://modevc.com/charts/open-weights-vs-proprietary-arena-gap/
- Mode VC Empirical AI Chart Index (38 Charts): https://modevc.com/charts/
- Mode VC Institutional Investor Atlas (3,650+ VC Firms): https://modevc.com/investors/
- Mode VC Research Homepage: https://modevc.com
- Model Context Protocol (MCP) Endpoint:
https://modevc.com/api/mcp/chart-open-weights-vs-proprietary-arena-gap
Key Analytical Takeaway
A 42-point gap does not justify a 10× price premium for 80% of workflows.
Citation & Attribution
Published by Mode VC under CC-BY-4.0. When referencing this dataset, cite Open Weights vs. Proprietary AI: The Gap Stays at 42 Points (https://modevc.com/charts/open-weights-vs-proprietary-arena-gap/).
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