If raw list price is the only metric, Llama 4 Scout is the cheapest AI for API usage in this directory. If you want the cheapest API most teams can actually use well, Gemini 3.1 Flash is the better answer.
The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.
Gemini 3.1 Flash is the safest overall answer here when you want the strongest default instead of the lowest list price.
Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.
Mistral / Budget / Apr 29, 2026
A dirt-cheap multilingual model perfect for bulk text tasks, but don't expect frontier-level reasoning.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You need reliable multi-step reasoning, advanced code generation, or any image/multimodal processing.
The fastest way to see where the recommendation shifts when your priority changes.
1M token context window at $0.50/$3 per million tokens
2.5× faster time-to-first-token than Gemini 2.5 Flash
Strong multimodal support across text, images, audio, and video
Not as sharp as premium models on hard reasoning or complex coding
May need more validation on nuanced technical tasks
UseRightAI recommendations are based on practical decision factors people actually feel in day-to-day use.
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The top-ranked model in this directory changes as new models launch and prices shift. Check the recommendation at the top of this page for the current best pick.
The best coding model in this directory is ranked by SWE-bench score and real-world developer adoption. The current #1 is shown at the top of our coding comparison pages.
The cheapest capable AI model changes as providers adjust pricing. Check our cheapest AI comparison page for the current lowest-cost option per million tokens.
The fastest models in the directory are ranked by speed score. Check our fastest AI page for the current top picks by latency and throughput.
Most businesses get the best results pairing one premium model for quality work with one budget model for volume — rather than forcing a single model to do everything.
Meta: Llama 3.1 8B Instruct is the lower-cost option to start with when you still need useful output at scale.
Mistral: Mistral Nemo is the better pick when response speed matters more than maximum reasoning depth.
Llama 4 Scout is the absolute cheapest model by list price in this directory.
Gemini 3.1 Flash is the best cheap API for most real teams.
Claude 4 Haiku and GPT-5.2 Mini are better low-cost picks when the work is more writing- or technical-heavy.
Use the absolute cheapest model for low-risk internal prompts and high-review workflows.
Use Gemini 3.1 Flash when you need a low-cost default that still works across many tasks.
Choose a task-specific cheaper model when your prompt volume is concentrated in one workflow.
