Models

OpenAI

gpt-6.1-sol

Released 29 Sept 2026

OpenAI's closed-weight reasoning model with a 1,050,000-token context window, mandatory configurable reasoning effort and native hosted tools, sitting between GPT-6 Sol and the GPT-6 Astra flagship.

€1.80 / 8.98per 1M in / out

L01 provider

OpenAI

gpt-5.6-luna

Released 9 Jul 2026

OpenAI's fast, cost-efficient GPT-5.6 tier for high-volume chat, classification, and lightweight agentic tasks with a 1.05M-token context window.

€0.18 / 1.08per 1M in / out

L01 provider

OpenAI

gpt-5.5

Released 23 Apr 2026

OpenAI's long-context instruct model, built for complex multi-step reasoning, long-document analysis, and tool orchestration across a 1M+ token context window.

€4.49 / 26.93per 1M in / out

L01 provider

OpenAI

gpt-5.4-mini

Released 17 Mar 2026

OpenAI's efficient GPT-5.4 mini instruct model, built for coding and agentic workloads with optional reasoning depth and a 400K-token multimodal context window.

€0.67 / 4.04per 1M in / out

L01 provider

OpenAI

gpt-5-nano-2025-08-07

Released 7 Aug 2025

OpenAI's fastest, lightest GPT-5 tier for high-volume classification, summarisation, and short completions — 400K context, vision and file input, mandatory reasoning traces.

€0.04 / 0.36per 1M in / out

L01 provider