What Integrates with GitHub Copilot?
Find out what GitHub Copilot integrations exist in 2026. Learn what software and services currently integrate with GitHub Copilot, and sort them by reviews, cost, features, and more. Below is a list of products that GitHub Copilot currently integrates with:
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1
GPT-5.4
OpenAI
GPT-5.4 is a next-generation AI model created by OpenAI to assist professionals with advanced knowledge work and software development tasks. It brings together major improvements in reasoning, coding, and automated workflows to deliver more capable and reliable results. The model can analyze large datasets, generate detailed reports, create presentations, and assist with spreadsheet modeling. GPT-5.4 also supports complex coding tasks and can help developers build, test, and debug software more efficiently. One of its key advancements is the ability to use tools and interact with software environments to complete multi-step processes. The model supports very large context windows, allowing it to analyze long documents and maintain context across extended conversations. GPT-5.4 also improves web research capabilities by searching and synthesizing information from multiple sources more effectively. Enhanced accuracy reduces hallucinations and helps produce more reliable responses for professional use. The model is available through ChatGPT, developer APIs, and coding environments such as Codex. By combining reasoning, tool usage, and large-scale context understanding, GPT-5.4 enables users to automate complex workflows and produce high-quality outputs. -
2
Claude Fable 5.5
Anthropic
Claude Fable 5.5 is an anticipated but currently unannounced model in Anthropic's Claude family, and Anthropic has not confirmed that a model with this name will be released. As of September 30, 2026, Claude Fable 5.1 remains the latest officially documented Fable model. Fable represents Anthropic's highest-end model tier for demanding reasoning and long-horizon agentic work, while the newer Opus 5.5 and Sonnet 5.5 occupy lower-cost positions in the Claude lineup. Anthropic's current documentation gives Fable 5.1 a 1-million-token context window and maximum output length of 128,000 tokens. It supports text and image inputs with text output and uses adaptive thinking that remains active throughout model operation. Fable 5.1 defaults to high reasoning effort and is listed as having a June 2026 reliable knowledge cutoff and training-data cutoff. API pricing is $10 per million input tokens and $50 per million output tokens, while prompt-cache reads cost $0.25 per million tokens and Batch API processing receives a 50% input and output discount. Anthropic's official documentation currently provides model identifiers for Fable 5.1 across the Claude API, Amazon Bedrock, Google Cloud, Microsoft Foundry, and Claude Platform on AWS. No equivalent model identifier, specifications, benchmark results, pricing, availability information, or release schedule has been published for Claude Fable 5.5. -
3
C
C
C is a programming language that was developed in 1972 and continues to hold significant relevance and popularity in the software development landscape. As a versatile, general-purpose, imperative language, C is utilized for creating a diverse range of software applications, from operating systems and application software to code compilers and databases. Its enduring utility makes it a foundational tool in the realm of programming, influencing many modern languages and technologies. Additionally, the language's efficiency and performance capabilities contribute to its ongoing use in various fields of software engineering. -
4
CodeSquire
CodeSquire
Effortlessly convert your comments into functional code, as demonstrated in the example where we swiftly generate a Plotly bar chart. You can seamlessly construct complete functions without the need to search for specific library methods or parameters; for instance, we developed a function to upload a DataFrame to an AWS bucket in parquet format. Additionally, you can write SQL queries simply by instructing CodeSquire on the data you wish to extract, join, and organize, similar to the example where we identify the top 10 most prevalent names. CodeSquire is also capable of elucidating someone else's code; just request an explanation of the preceding function, and you'll receive a clear, straightforward description. Furthermore, it can assist in crafting intricate functions that incorporate multiple logical steps, allowing you to brainstorm ideas by starting with basic concepts and progressively integrating more advanced features as you refine your project. This collaborative approach makes coding not only easier but also more intuitive. -
5
MAI-Voice-2-Flash
Microsoft
MAI-Voice-2-Flash represents Microsoft AI's rapid and effective text-to-speech solution, designed specifically for high-demand voice applications where quick response times are vital. This model generates highly authentic, expressive speech while maintaining the natural prosody, acoustic quality, and human-like characteristics such as rhythm, intonation, and emotional depth found in MAI-Voice-2. It is engineered for instantaneous synthesis, operating at twice the speed of MAI-Voice-2, which makes it ideal for use in voice agents, virtual assistants, interactive applications, call centers, and IVR systems that require immediate interaction. Supporting 15 languages across 18 distinct locales, it also boasts a collection of licensed, curated voices that are readily available for use. Developers have the ability to manipulate speaking style and emotion via SSML, allowing them to tailor the delivery with expressions like joy, excitement, empathy, sadness, whispering, or shouting, thereby enhancing various conversational contexts and branding experiences. This flexibility not only enriches user interaction but also ensures that the voice output aligns perfectly with the intended message or sentiment.