Model details
GPT-5 Mini is OpenAI's lighter entry in the gpt-mini family, positioned as a cost-conscious counterpart to the full GPT-5 reasoning line for real-time applications and agents. It is designed to bring strong multi-step problem solving, tool use, and structured output behavior into workloads where latency and budget matter more than the deepest analytical reach of the flagship. The combination of native image and PDF input alongside reasoning and tool-calling capabilities makes it a versatile workhorse for assistants that must read mixed documents, reason over them, and act on results.
Microsoft's Azure AI Foundry announcement frames the GPT-5 series as pairing frontier reasoning with efficient generation, and GPT-5 Mini is explicitly aimed at powering real-time experiences and agentic flows that need tool calling to solve customer problems. Its multimodal front end and support for structured outputs give builders a reliable middle ground between lightweight classifiers and heavyweight reasoning engines. In practice, it fits naturally into customer-facing chat, retrieval-augmented assistants, document-understanding pipelines, and agent prototypes where dependable reasoning and tool orchestration are required without flagship-level cost.
Transparent token rates
Rates are shown per one million tokens. Combined means one million input plus one million output tokens.
OpenRouter
We value your privacy We use cookies to enhance your browsing experience, serve personalised ads or content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies. CustomiseReject AllAccept All Customise Consent Preferences We use cookies to help you navigate efficiently and perform certa
OpenRouter
LG AI Research on Thursday released Exaone 4.5, an artificial intelligence model that can process both text and images, as the company builds toward adding visu
OpenRouter
Alibaba has introduced the new Qwen 3.5 model series. It comprises four models: Qwen3.5-Flash, Qwen3.5-35B-A3B, Qwen3.5-122B-A10B and Qwen3.5-27B.
DevPass (LLM Gateway)
The Magica profile for GPT-5 Mini, attributed to OpenAI, lists a 400K token input context window with a 128K output token limit, released on August 7, 2025 with a reported knowledge cutoff of May 31, 2024. API pricing is $0.25 per million input tokens and $2.00 per million output tokens, with additional costs of $0.01 Feature support includes function calling, structured output, reasoning mode (always enabled with configurable effort at High, Medium, Low, or Minimal, defaulting to Medium), and content moderation. Artificial Analysis indices report Intelligence 17.4, Coding 15.6, and Agentic 8.9, with a best Design Arena Elo score of
DevPass (LLM Gateway)
The AI Release Tracker has logged 44 OpenAI model releases from GPT-3.5 (November 30, 2022) through GPT-6 Astra (September 3, 2026), with OpenAI shipping a new model approximately every 37 days. The next projected release is around Thursday, October 8, 2026. The tracker's strongest recorded results include GPQA Diamond The 2026 release slate includes 14 models: GPT-6 Astra (September 3), GPT-5.6-Cyber (August 10), GPT-5.6 Sol, Terra, and Luna (June 26), GPT-5.5-Cyber (June 22), GPT-5.5 and GPT-5.5-Pro (April 23), and GPT-5.4 mini (March 17). OpenAI most commonly ships on Thursdays (17 releases), with no releases logged on weekends, p
DevPass (LLM Gateway)
OpenAI announced GPT-5.4 mini and GPT-5.4 nano as smaller models targeting high-volume workloads, extending the capabilities of GPT-5.4 into more efficient formats. The release was communicated via a LinkedIn post from OpenAI for Business and targets use cases including coding assistants, subagents, and real-time multi According to OpenAI, GPT-5.4 mini improves on GPT-5 mini across coding, reasoning, multimodal understanding, and tool use while running more than 2x faster, approaching the performance of the larger GPT-5.4 on evaluations such as SWE-Bench Pro and OSWorld-Verified. GPT-5.4 nano is described as the smallest and cheapest
OpenRouter
OpenRouter's official comparison page lists OpenAI's GPT-5 Mini as an available model accessible through the OpenRouter API alongside other flagship offerings. The page surfaces GPT-5 Mini under the "Flagship models" comparison group, paired against peers such as Claude Fable 5, Gemini 3.1 Pro Preview, and GPT-5.5, ind While the scraped excerpt confirms the GPT-5 Mini listing on OpenRouter and its placement in the routing catalog, it does not contain concrete Mini-specific figures such as per-token pricing, context window, release date, latency, or benchmark scores, so any technical claims should be sourced from the dedicated GPT-5 M
This exact model name is also listed by 31 other providers.
