GPT-4.5 Research Preview: A Step Forward or Just Hype?

  • Nine days after OpenAI launched a research preview of GPT-4.5, the model has stirred debate among AI enthusiasts, researchers, and subscribers. While some view it as a significant leap, others argue the high cost doesn’t justify the performance gains.

    Performance & Key Features

    1. Accuracy & Naturalness

    • 62.5% Simple QA accuracy (improved over GPT-4)
    • 37.1% hallucination rate (still a concern)
    • Better intent understanding & persuasion capabilities

    2. Subscription Pricing & Token Costs

    • Pro plan: $200/month
    • Plus plan: $20/month
    • Token costs: $75 per 1M input tokens, $150 per 1M output tokens

    AI Experts Put GPT-4.5 to the Test

    Andrej Karpathy, former AI Director at Tesla (NASDAQ:TSLA) and a co-founder of OpenAI, compared GPT-4 vs. GPT-4.5 in an experiment. His takeaway? AI improvements are becoming more subtle over time, making it harder to see major differences between versions.

    Investor & Market Perspective

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    Final Thoughts

    GPT-4.5 is more refined, but is it worth the premium? The debate continues, and as AI models evolve, both researchers and investors will watch closely for the next breakthrough.