It is clear that @AnthropicAI Claude 4 (mostly Sonnet) continues to regain share from Google and other vendors. Strangely, we have not yet seen @OpenAI
's o3 appear in the Top 20 rankings, despite the 80% cost reduction and anecdotal evidence suggesting increased use for coding.
@petergostev
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Claude 4 Gains Market Share Against Google and OpenAI o3
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OpenRouter Programming Prompts Usage Statistics Analysis
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@openrouter publishes usage statistics, and while they are not representative, they are useful for seeing how usage changes over time. In this chart, we're looking at 'Programming' prompts via OpenRouter.
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Waymo Discovers Scaling Laws Apply to Autonomous Driving Models
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Waymo released an interesting paper stating that autonomous driving is also susceptible to scaling laws: the more compute, the better the performance. The cool thing is we now have at least two clear domains where this idea works: language models and self-driving models.
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Trade-offs of Large Language Models in AI Training
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An interesting point is that using very large base models like GPT-4.5 involves trade offs. Larger, slower, and more expensive models mean longer training loops, higher compute usage, and thus a reduced overall learning rate.
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O4 Model Performance Improvements Through Reinforcement Learning
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With this stronger base, RL should see improved performance, meaning o4 will likely saturate GPQA and probably many other benchmarks that are susceptible to RL.
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GPT-4.1 Base Model Powers New o4 Reasoner Release
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They also suggested GPT-4.1 might be the base for the next generation reasoner, o4, expected to release soon. GPT-4.1 is significantly stronger than GPT-4o. On the GPQA benchmark, GPT-4.1 scores substantially higher (+18 pts).
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Reinforcement Learning Improves with Stronger Base Models Like GPT-4o
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Reinforcement learning works better when using stronger base models. In their recent post, SemiAnalysis stated that o1 and o3 were trained with GPT-4o as the base, and the respective 'mini' versions were distillations of their larger models.