What do recent benchmark tests reveal about the speed and accuracy of open source LLMs versus proprietary models like GPT-4.
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What do recent benchmark tests reveal about the speed and accuracy of open source LLMs versus proprietary models like GPT-4.
3 real searches · 1 real-search pass
2025 2026 latest LLM benchmark comparison open weight proprietary GPT-4o reasoning accuracy speed Artificial Analysis benchmarksGoogle ↗
OBSERVEDComparison
Stanford HELM benchmark open models proprietary models 2025 2026 performance evaluationGoogle ↗
OBSERVEDOther / navigational
LiveBench leaderboard open source models GPT-4o benchmark 2026Google ↗
OBSERVEDOther / navigational
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
2025 2026 latest LLM benchmark comparison open weight proprietary GPT-4o reasoning accuracy speed Artificial Analysis benchmarks Google ↗
Stanford HELM benchmark open models proprietary models 2025 2026 performance evaluation Google ↗
LiveBench leaderboard open source models GPT-4o benchmark 2026 Google ↗
- Technical Performance | The 2026 AI Index Report · hai.stanford.edu
- Capabilities · crfm.stanford.edu
- LLM Speed Benchmarks: Measured tok/s Leaderboard · llm-speed.com
- LiveBench 2.0 - A challenging, contamination-free long-horizon AI benchmark · livebench.ai
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2025 2026 latest LLM benchmark comparison open weight proprietary GPT-4o reasoning accuracy speed Artificial Analysis benchmarks OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
Stanford HELM benchmark open models proprietary models 2025 2026 performance evaluation OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
LiveBench leaderboard open source models GPT-4o benchmark 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |