2024 Year in Review: AI Goes Mainstream

December 16, 2024

2024 was the year AI became infrastructure. What was experimental in 2023 became expected in 2024. Models got better and cheaper. Tooling matured. Organizations went from “should we use AI?” to “how do we use AI well?”

Here’s what changed in 2024 and what it means for the future.

The Big Shifts

From Hype to Production

ai_maturation_2024:
  2023:
    sentiment: "AI can do anything!"
    reality: "Demos work, production is hard"
    adoption: "Experiments and POCs"

  2024:
    sentiment: "AI is useful for specific things"
    reality: "Production systems shipping"
    adoption: "AI in production workflows"

  key_change:
    - Understanding of capabilities and limits
    - Focus on reliable, not impressive
    - ROI requirements on AI projects

Model Evolution

model_progress_2024:
  major_releases:
    - Claude 3 (March): "New quality benchmark"
    - GPT-4o (May): "Native multimodal"
    - Claude 3.5 Sonnet (June): "Better and cheaper"
    - Llama 3.1 (July): "Open model quality leap"
    - o1 (September): "Reasoning breakthrough"

  trends:
    quality: "Significant improvements across all tasks"
    cost: "Dropped 50-80% over the year"
    speed: "2-3x faster responses"
    context: "128K-200K standard, 1M available"

  implications:
    - Smaller models handle more tasks
    - AI economically viable for more use cases
    - Quality gap between providers narrowing

What Actually Worked

Production AI Patterns

successful_patterns_2024:
  rag_systems:
    status: "Widely deployed"
    learning: "Basic RAG insufficient, need advanced retrieval"
    maturity: "Established pattern"

  coding_assistants:
    status: "Standard developer tool"
    learning: "Review everything, but significant productivity gain"
    maturity: "Mainstream"

  customer_support:
    status: "Common deployment"
    learning: "Hybrid human-AI most effective"
    maturity: "Proven"

  content_generation:
    status: "Widespread use"
    learning: "First draft, not final product"
    maturity: "Established"

  data_extraction:
    status: "Highly successful"
    learning: "Well-defined schemas work best"
    maturity: "Production standard"

What Didn’t Work (Yet)

challenges_2024:
  fully_autonomous_agents:
    expectation: "Agents handling complex workflows"
    reality: "Useful for narrow tasks, fragile for complex"
    learning: "Human-in-the-loop still essential"

  ai_replacing_roles:
    expectation: "Jobs automated away"
    reality: "Jobs augmented, workflows changed"
    learning: "AI assists, humans direct"

  one_model_fits_all:
    expectation: "Single model for everything"
    reality: "Different models for different tasks"
    learning: "Multi-model strategies win"

Industry Changes

Organization Shifts

organizational_evolution:
  new_roles:
    - AI Engineer (distinct from ML Engineer)
    - Prompt Engineer (real discipline now)
    - AI Product Manager
    - AI Safety/Ethics roles

  team_structures:
    - Platform teams for AI infrastructure
    - Embedded AI engineers in product teams
    - Center of excellence patterns

  budget_shifts:
    - AI spend becoming significant line item
    - ROI requirements on AI projects
    - Cost optimization focus

Tooling Maturation

tooling_evolution_2024:
  evaluation:
    before: "Manual testing, vibes"
    after: "Automated eval suites, LLM-as-judge"

  observability:
    before: "Basic logging"
    after: "Full tracing, cost tracking, quality monitoring"

  development:
    before: "Notebooks and scripts"
    after: "Production frameworks, CI/CD for prompts"

  deployment:
    before: "Direct API calls"
    after: "Gateways, caching, failover"

Lessons Learned

What We Know Now

lessons_2024:
  evaluation_is_essential:
    insight: "Can't improve what you can't measure"
    implication: "Build eval before building features"

  prompts_are_code:
    insight: "Prompts need versioning, testing, review"
    implication: "Treat prompt engineering as engineering"

  costs_compound:
    insight: "AI costs grow quickly at scale"
    implication: "Design for cost efficiency from start"

  hallucinations_persist:
    insight: "Models still make things up"
    implication: "Verification systems essential"

  context_matters:
    insight: "Same model, different results in different contexts"
    implication: "Test in production conditions"

Looking to 2025

Predictions

predictions_2025:
  technical:
    - Reasoning models (o1-style) become mainstream
    - Agents get more capable (but still need guardrails)
    - Video understanding matures
    - On-device AI becomes practical

  organizational:
    - AI literacy becomes expected skill
    - AI governance becomes standardized
    - Cost optimization becomes priority
    - Multi-model by default

  market:
    - Consolidation in AI tooling
    - Open models close gap with proprietary
    - Enterprise AI adoption accelerates
    - AI startups face "show me the revenue" pressure

What to Prepare For

preparation_2025:
  skills:
    - Evaluation methodology
    - Cost optimization
    - Multi-model orchestration
    - AI safety practices

  infrastructure:
    - Model-agnostic architectures
    - Robust evaluation pipelines
    - Cost tracking systems
    - Compliance frameworks

  strategy:
    - Clear AI use case prioritization
    - ROI measurement frameworks
    - Responsible AI policies
    - Talent development plans

Key Takeaways

AI is now infrastructure. Build accordingly.