Stob.AI Benchmarks GPT-5.5, Claude Fable 5, Gemini 3.5, Llama 4
Four top models tested on reasoning, coding, cost, and agents — find your winner.
Deep Dive
A head-to-head comparison of GPT-5.5, Claude Fable 5, Gemini 3.5 Flash, and Llama 4 Maverick across reasoning, coding, multimodal, cost, and agentic workflows is presented, along with a full comparison table and routing recommendations.
Key Points
- GPT-5.5 scores 98% on GSM8K for reasoning tasks, outperforming all challengers by 3-5%.
- Claude Fable 5 achieves 92% pass@1 on HumanEval, making it the top pick for production code generation.
- Gemini 3.5 Flash costs just $0.15/M input tokens, while Llama 4 Maverick offers a 1M-token context for open-source agents.
Why It Matters
This benchmark gives professionals a data-driven guide to pick the best model, saving time and compute costs.