AI Rankings

OpenAI

GPT-5.3 Codex

OpenAI's February 2026 agentic coding model combining code generation with general-purpose intelligence, since folded into GPT-5.4 and followed by the GPT-5.5 and GPT-5.6 families.

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Our editorial assessment, based on the public sources listed below. Last reviewed .

Overall rank
#31
Tier
A
Score
82.9
Main category
Coding

Strengths

  • Described as a 'self-improving' agentic coding model.
  • Set new highs on key coding benchmarks at launch (February 2026).
  • Approximately 25% faster than previous versions.

Considerations

  • Specialized for coding, may not be the top choice for general reasoning.
  • Multiple versions of GPT-5 can be confusing for users.

Price

API $1.75 input / $14 output per 1M tokens

Shown for reference — price is not part of the score.

Score breakdown

Performance
89.0
55% of score
Reputation
86.0
35% of score
Recency
38.0
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
source ↗
Reputation
Feature list

Checked against the sources listed below.

Sources

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