The best OpenAI model for roleplay is GPT-5.4 — 51.4 intelligence, 1.1M context and no provider-level moderation. gpt-oss-120b (23.8) and gpt-oss-20b (14.9) round out the top three.
The best AI models for roleplay and character chat, ranked by intelligence among models that aren't provider-moderated and have the context (32K+) to stay in character over long sessions. There is no roleplay benchmark; this uses capability plus the two properties the roleplay community actually selects on — long context and unfiltered serving.
The best OpenAI model for roleplay is GPT-5.4 — 51.4 intelligence, 1.1M context and no provider-level moderation. gpt-oss-120b (23.8) and gpt-oss-20b (14.9) round out the top three.
gpt-oss-120b (23.8) is the closest alternative on this metric, followed by gpt-oss-20b (14.9). See the full ranking above for the tradeoffs.
modelgrep tracks 67 OpenAI models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GPT-5.6 Sol. 5 of them qualify for this ranking.