Gemini 3.1 Flash is Google's cheapest model at $0.5/1M input tokens — 75% less than the flagship Gemini 3.1 Pro. It is also the best capability-per-dollar pick in the lineup.
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.
Meta: Llama 3.1 8B Instruct is the lower-cost option to start with when you still need useful output at scale.
Gemini 3.1 Pro is the better pick when response speed matters more than maximum reasoning depth.
Gemini 3.1 Flash is the lowest-cost Google model: $0.5/1M input, $3/1M output.
Gemini 3.1 Flash is the best capability-per-dollar pick (budget score 97/100).
Gemini 3.1 Pro costs 4x more on input — reserve it for work where quality is the bottleneck.
Choose Gemini 3.1 Flash for high-volume, low-stakes tasks like classification, extraction, and drafts.
Choose Gemini 3.1 Flash as the everyday default if you want one budget model.
Route only the hardest tasks to Gemini 3.1 Pro — a two-tier setup usually cuts spend 60–80%.
Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.
Google / Premium / Mar 24, 2026
Best for research and deep document analysis — 2M context at the best premium price.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
Your primary use case is writing quality or agentic coding — Claude wins both.
The fastest way to see where the recommendation shifts when your priority changes.
Best cheap AI for broad day-to-day work — now with 1M context.
Best for research and deep document analysis — 2M context at the best premium price.
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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Gemini 3.1 Flash at $0.5/1M input and $3/1M output tokens. Best cheap AI for broad day-to-day work — now with 1M context.
Gemini 3.1 Flash is the best capability-per-dollar pick in Google's lineup (budget score 97/100). It handles high-volume everyday ai usage where speed and cost both matter well — step up to Gemini 3.1 Pro only where quality visibly falls short.
Gemini 3.1 Flash costs $0.5/1M input vs $2/1M for Gemini 3.1 Pro — a 75% saving on input tokens.
Gemini 3.1 Pro — 2M tokens at $2/1M input.