Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Learning objectives
- Master the fundamentals of OpenAI function calling to develop certifiable professional skills
- Set up the OpenAI 2026 environment and implement simple function calls in a business context
- Design advanced JSON schemas to optimize AI-human interactions
- Develop real-world applications integrating function calling in professional contexts
- Evaluate and debug function calling flows for smooth production deployment
- Acquire prompt engineering skills tailored to certifiable function calling
The Learni story
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Why this program matters
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Program
Module 1OpenAI Function Calling 2026 Fundamentals: Installation and First Calls (Python, OpenAI API, JSON Schemas)
Discover the basics of OpenAI function calling 2026 through a quick installation of the Python environment and OpenAI library, configure your secure API key, explore JSON schemas to define simple functions like weather data retrieval, make your first live calls with ChatGPT, test structured responses, and analyze logs to identify common errors, end with a practical exercise to validate basic flows.
Module 2Defining OpenAI Function Calling 2026 Functions: Advanced Schemas and Integration (JSON Schema Tools, Validation)
Dive into creating complex functions with OpenAI function calling 2026, model detailed JSON schemas for operations like financial calculations or database queries, integrate JSON Schema validators for robustness, simulate real business scenarios with asynchronous calls, debug parameter mismatches using advanced logging tools, produce a functional testable prototype in groups.
Module 3Advanced OpenAI Function Calling 2026 Integration: Chaining and Error Handling (Streamlit Frameworks, Error Handling)
Master chaining multiple functions in OpenAI function calling 2026 for complex workflows, deploy custom error handlers managing timeouts and failed validations, integrate with frameworks like Streamlit for interactive user interfaces, test business use cases such as CRM automation, optimize performance with local caches, finalize a collaborative MVP with real-time feedback.
Module 4Practical Projects and Deployment for OpenAI Function Calling 2026: Production and Optimization (Docker, Monitoring)
Apply OpenAI function calling 2026 to a personalized capstone project like a business virtual assistant, containerize with Docker for scalable cloud deployment, set up monitoring with Prometheus to trace calls, evaluate API costs and optimize prompts for reliability, present your final deliverable in a plenary session, receive a certifying audit of your professional implementation.
Evaluation method
- Daily interactive quizzes on key function calling concepts
- Individualized final project with expert feedback and certifying grading
- Company case study evaluated in pairs for skills validation
Learning method
- 80% hands-on practical approach with real-time exercises
- Real cases from leading French AI companies
- Unlimited post-training video support for reviews
- Group limited to 10 for optimal personalized follow-up
Methods, materials and delivery
The Training OpenAI Function Calling 2026 - Automate AI in Your Apps program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training OpenAI Function Calling 2026 - Automate AI in Your Apps program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training OpenAI Function Calling 2026 - Automate AI in Your Apps program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
Verified reviews
What our learners
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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