Model familyGPT-5.1
5 variants of GPT-5.1 tracked by BenchGecko. Top variant · GPT-5.1-Codex-Max (72.0). Cheapest input · $0.25/M. Compare every variant's pricing, context window, and benchmark scores below.
Every GPT-5.1 variant
Sorted by average benchmark score
Frequently asked
Quick answers, sourced from our data
What is the GPT-5.1 family?
GPT-5.1 is a family of 5 AI model variants released by OpenAI. The top-scoring variant is GPT-5.1-Codex-Max at 72.0. Variants released between 2025-11 and 2025-12.
How many GPT-5.1 variants exist?
BenchGecko tracks 5 GPT-5.1 variants. These differ in size, context window, pricing, and specialization (base vs instruct, coder, math, etc.).
Which GPT-5.1 variant scores highest?
GPT-5.1-Codex-Max leads the family with an average benchmark score of 72.0 across 8 benchmarks.
What is the cheapest GPT-5.1 variant?
The cheapest GPT-5.1 variant costs $0.25 per 1M input tokens. The most expensive is $1.25 per 1M.
See also
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