Cheapest AI model by job

Each page ranks the cheapest models at or above the capability tier the job needs, using an example monthly token volume.

• Simple Q&A / chat: needs tier ≥1; top pick GPT-OSS 20B (Groq), about $1.35/mo for 10M in / 2M out
• Coding: needs tier ≥2; top pick GLM-5.3 Flash (Together), about $5.50/mo for 20M in / 5M out
• Long documents: needs tier ≥2; top pick DeepSeek V4.1 Flash, about $32.40/mo for 100M in / 2M out
• Hard reasoning: needs tier ≥3; top pick Mistral Large 4, about $27.70/mo for 10M in / 10M out