GPT-5.4 vs Grok 4.20 Beta: pricing, Quality, Value, and benchmarks

Buyer access

Pricing, app access, and ease of use

• Humanity's Last Exam

  Normalized quality input

  41.6%

  Third-party HLE evaluation page | Third-party HLE evaluation page. This row reflects the GPT-5.4 (xhigh) result.

• SWE-bench Verified

  Normalized quality input

  80.0%

  Artificial Analysis — GPT-5.4 evaluation | HLE (41.6%) and GPQA Diamond (92.0%) from Artificial Analysis independent evaluation. SWE-bench Verified estimated from third-party evaluation (vals.ai); OpenAI published SWE-bench Pro at 57.7% — a harder variant not directly comparable with this roster. MRCR scores estimated from independent context-window evaluation data. Pricing confirmed from OpenAI API docs.

• GPQA Diamond

  Normalized quality input

  92.0%

  Artificial Analysis — GPT-5.4 evaluation | HLE (41.6%) and GPQA Diamond (92.0%) from Artificial Analysis independent evaluation. SWE-bench Verified estimated from third-party evaluation (vals.ai); OpenAI published SWE-bench Pro at 57.7% — a harder variant not directly comparable with this roster. MRCR scores estimated from independent context-window evaluation data. Pricing confirmed from OpenAI API docs.

• ARC-AGI-2

  Novel pattern reasoning

  73.3%

  ARC Prize leaderboard | ARC-AGI-2 is shown as supplementary evidence only and is not currently included in the PickAI Quality Score.

• Humanity's Last Exam

  Normalized quality input

  30.0%

  Third-party HLE evaluation page | Replaces the prior bad Grok 4.20 HLE mapping.

• SWE-bench Verified

  Software engineering patch

  73.5%

  Artificial Analysis Grok 4.20 analysis page | Third-party benchmark comparison page with sourced tables and transparent methodology. Treat this as accepted tier-3 benchmark evidence.

• GPQA Diamond

  Normalized quality input

  78.5%

  Artificial Analysis Grok 4.20 analysis page | Third-party benchmark comparison page with sourced tables and transparent methodology. Treat this as accepted tier-3 benchmark evidence.

Choose this when you need an AI that can operate software and complete professional tasks autonomously, not just advise on them.

GPT-5.4 is one of the best choices for people who want an AI that feels smart, reliable, and easy to use without needing technical knowledge. Compared with many other AI models, it stands out for its stronger reasoning, better memory in longer conversations, more natural replies, and broader ability to help with real everyday tasks. Whether you need help writing, researching, planning, summarising documents, solving problems, or getting organised, GPT-5.4 does all of it in one place at a very high level. It is not just for asking questions - it can also help take action and support more advanced workflows when needed. If you want a premium all-round AI assistant that is polished, versatile, and useful for both personal and professional life, GPT-5.4 is a compelling option and one of the safest buys in the market.

Strong HLE, SWE-bench Verified, and GPQA evidence make Grok 4.20 Beta publishable now, but speed metrics are still unavailable in the current snapshot.

Grok 4.20 Beta is ready to enter the published roster on benchmark evidence, but buyer-facing speed guidance remains incomplete until OpenRouter performance metrics are captured.