Build intelligent applications with our state-of-the-art AI. Drop-in replacement for OpenAI with better performance and lower costs.
from openai import OpenAI
# Just change the base URL - that's it!
client = OpenAI(
base_url="https://fullai.com/api/v1",
api_key="sk-full_your_key_here"
)
response = client.chat.completions.create(
model="fullai-1",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)Built for developers who want the best AI without the complexity
Optimized inference with sub-100ms response times. Built on cutting-edge hardware for maximum throughput.
Free tier with 10K tokens/day. Pay only for what you use. Up to 10x cheaper than alternatives.
Drop-in replacement. Works with OpenAI SDKs, LangChain, and any tool that supports OpenAI's API format.
Choose the right model for your use case
Our most capable model. Excellent for complex reasoning, coding, and creative tasks.
Optimized for speed. Perfect for real-time applications and high-volume tasks.
Our newest and largest model. Pushing the boundaries of AI capabilities.
Understand the technology behind modern AI. From benchmarks to research papers, we've compiled everything you need to know.
The full pipeline a frontier lab uses in 2026 — data, architecture, pretraining, alignment, reasoning, agents, multimodal, inference, infrastructure, and evaluation. With references to 100+ papers from 2017 through 2026.
MMLU, HellaSwag, HumanEval, and more. Understand how AI models are evaluated and compared.
Master RAG, fine-tuning, prompt engineering, and advanced optimization methods.
Text, vision, audio, video—and future modalities like touch and brain-computer interfaces.
Essential papers from "Attention Is All You Need" to the latest 2025 breakthroughs.
OpenAI, Anthropic, DeepMind, and the researchers shaping AI's future.
How the top models compare on standardized tests
Real GitHub issues resolved end-to-end
Claude Opus 4.7 (Apr 2026)
Graduate-level science questions
GPT-5 Pro w/ thinking
High-school invitational math, no tools
GPT-5 (2025)
Crowdsourced head-to-head ranking
Claude Opus 4.6 Thinking #1
Methods to improve AI model performance for your use case
Craft effective prompts to steer model behavior. Zero-shot, few-shot, chain-of-thought, and role-based prompting.
Best for: Quick optimization, prototyping
Retrieval-Augmented Generation grounds responses in your data. Reduces hallucinations with real-time information.
Best for: Knowledge bases, real-time data
Retrain models on your specific data for deep domain expertise. Teaches new behaviors and consistent style.
Best for: Brand voice, specialized domains
Join thousands of developers using FullAI to power their applications. Start free, scale as you grow.
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