Unverified50% confidenceFactExact time
The pace at which the open-source community caught up with closed-source frontier models was generally lagging by 12–18 months before 2023
1
Sources
50%
Confidence
Long-term
Relevance
9/29/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOpen-source models have historically lagged behind closed-source models in performance by 6 to 18 months.74% similarUnverifiedThe training data cutoff dates of many open-source models remain at 2023 or even earlier.73% similarUnverifiedAccording to Epoch AI's 2026 statistics, the gap between open-source models and the most powerful closed-source models averages only about 4 months.73% similarUnverifiedBetween 2024 and 2025, open-source Agent frameworks experienced explosive growth, ranging from LangChain and AutoGPT to more specialized vertical frameworks.71% similarUnverifiedThe capability gap between top closed-source models and open models has widened since 2024.70% similar
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