OpenAI
GPT-5.4 Pro
A model focused on pure reasoning and mathematical problem-solving, setting a record on the FrontierMath benchmark.
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Overall rank
- #34
- Tier
- A
- Score
- 82.3
- Main category
- Reasoning
Strengths
- Leads in mathematical problem-solving capabilities.
- Benefits from the largest ecosystem of plugins, integrations, and third-party tools.
- High scores on reasoning and coding benchmarks like SWE-bench.
Considerations
- The most expensive model in some rankings.
- Lacks a clear overall performance lead over newer, cheaper competitors.
Price
API $5 / 1M tokens (input), $25 / 1M tokens (output)
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 88.0
- 55% of score
- Reputation
- 82.0
- 35% of score
- Recency
- 52.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
- Pricing
- Benchmark
- Reputation
- Feature list
Checked against the sources listed below.
Sources
- OpenAI API — GPT-5.4 Pro model page (gpt-5.4-pro-2026-03-05, Responses API) (opens in a new tab)Accessed:
- OpenAI API deprecations (no gpt-5.4-pro entry as of Sept 2026) (opens in a new tab)Accessed:
- Introducing GPT-5.5 - OpenAI (GPT-5.4 Pro benchmark table) (opens in a new tab)Accessed:
- Wikipedia — GPT-5.4 (release, reception, succession) (opens in a new tab)Accessed:
- OpenAI API — GPT-5.5 Pro model page (successor) (opens in a new tab)Accessed:
Show 6 more sources
- OpenAI Model Release Notes (opens in a new tab)Accessed:
- OpenAI API Changelog (opens in a new tab)Accessed:
- ChatGPT Release Notes - OpenAI (opens in a new tab)Accessed:
- Introducing GPT-5.4 - OpenAI (opens in a new tab)Accessed:
- Top 5 LLMs for March 2026 - AlphaCorp (opens in a new tab)Accessed:
- AiZolo Top AI Models March 2026 (opens in a new tab)Accessed:
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