Model familyGPT-5.3
2 variants of GPT-5.3 tracked by BenchGecko. Top variant · GPT-5.3-Codex (52.2). Cheapest input · $1.75/M. Compare every variant's pricing, context window, and benchmark scores below.
Every GPT-5.3 variant
Sorted by average benchmark score
Frequently asked
Quick answers, sourced from our data
What is the GPT-5.3 family?
GPT-5.3 is a family of 2 AI model variants released by OpenAI. The top-scoring variant is GPT-5.3-Codex at 52.2. Variants released between 2026-02 and 2026-03.
How many GPT-5.3 variants exist?
BenchGecko tracks 2 GPT-5.3 variants. These differ in size, context window, pricing, and specialization (base vs instruct, coder, math, etc.).
Which GPT-5.3 variant scores highest?
GPT-5.3-Codex leads the family with an average benchmark score of 52.2 across 9 benchmarks.
What is the cheapest GPT-5.3 variant?
The cheapest GPT-5.3 variant costs $1.75 per 1M input tokens. The most expensive is $1.75 per 1M.
See also
Keep exploring the BenchGecko graph