Cheapest AI models
Sorted by input token price — lowest first. Use the segments below to filter by budget tier.
Free-tier models
Under $1.00 / 1M tokens
| # | Model | Provider | Context | Input / 1M | Output / 1M | Modality |
|---|---|---|---|---|---|---|
| 1 | Auto Router openrouter/auto | Openrouter | 2,000K | $-1000000.0000 | $-1000000.0000 | text+image+file+audio+video->text+image |
| 2 | Auto Router (Beta) openrouter/auto-beta | Openrouter | 2,000K | $-1000000.0000 | $-1000000.0000 | text+image+file+audio+video->text+image |
| 3 | Body Builder (beta) openrouter/bodybuilder | Openrouter | 128K | $-1000000.0000 | $-1000000.0000 | text->text |
| 4 | OpenRouter: Fusion openrouter/fusion | Openrouter | 1,000K | $-1000000.0000 | $-1000000.0000 | text->text |
| 5 | Pareto Code Router openrouter/pareto-code | Openrouter | 2,000K | $-1000000.0000 | $-1000000.0000 | text->text |
| 6 | Arcee AI: Trinity Large Preview (free) arcee-ai/trinity-large-preview:free | Arcee Ai | 131K | $0.0000 | $0.0000 | text->text |
| 7 | Arcee AI: Trinity Mini (free) arcee-ai/trinity-mini:free | Arcee Ai | 131.072K | $0.0000 | $0.0000 | text->text |
| 8 | Venice: Uncensored (free) cognitivecomputations/dolphin-mistral-24b-venice-edition:free | Cognitivecomputations | 32.768K | $0.0000 | $0.0000 | text->text |
| 9 | Cohere: North Mini Code (free) cohere/north-mini-code:free | Cohere | 256K | $0.0000 | $0.0000 | text->text |
| 10 | DeepSeek: DeepSeek V4 Flash 0731 (free) deepseek/deepseek-v4-flash-0731:free | DeepSeek | 1,048.576K | $0.0000 | $0.0000 | text->text |
| 11 | Dots Studio: Dots3-Note Preview (free) dots-studio/dots-3-note-preview:free | Dots Studio | 512K | $0.0000 | $0.0000 | text+image->text |
| 12 | Google: Gemma 3 12B (free) google/gemma-3-12b-it:free | 32.768K | $0.0000 | $0.0000 | text+image->text | |
| 13 | Google: Gemma 3 27B (free) google/gemma-3-27b-it:free | 131.072K | $0.0000 | $0.0000 | text+image->text | |
| 14 | Google: Gemma 3 4B (free) google/gemma-3-4b-it:free | 32.768K | $0.0000 | $0.0000 | text+image->text | |
| 15 | Google: Gemma 3n 2B (free) google/gemma-3n-e2b-it:free | 8.192K | $0.0000 | $0.0000 | text->text | |
| 16 | Google: Gemma 3n 4B (free) google/gemma-3n-e4b-it:free | 8.192K | $0.0000 | $0.0000 | text->text | |
| 17 | Google: Gemma 4 26B A4B (free) google/gemma-4-26b-a4b-it:free | 262.144K | $0.0000 | $0.0000 | text+image+video->text | |
| 18 | Google: Gemma 4 31B (free) google/gemma-4-31b-it:free | 262.144K | $0.0000 | $0.0000 | text+image+video->text | |
| 19 | Google: Lyria 3 Clip Preview google/lyria-3-clip-preview | 1,048.576K | $0.0000 | $0.0000 | text+image->text+audio | |
| 20 | Google: Lyria 3 Pro Preview google/lyria-3-pro-preview | 1,048.576K | $0.0000 | $0.0000 | text+image->text+audio | |
| 21 | inclusionAI: Ling 3.0 Flash Fin (free) inclusionai/ling-3.0-flash-fin:free | Inclusionai | 262.144K | $0.0000 | $0.0000 | text->text |
| 22 | inclusionAI: Ling 3.0 Flash Sante (free) inclusionai/ling-3.0-flash-sante:free | Inclusionai | 262.144K | $0.0000 | $0.0000 | text->text |
| 23 | inclusionAI: Ling 3.0 Flash VL (free) inclusionai/ling-3.0-flash-vl:free | Inclusionai | 262.144K | $0.0000 | $0.0000 | text+image+video->text |
| 24 | inclusionAI: Ling 3.0 Tiny (free) inclusionai/ling-3.0-tiny:free | Inclusionai | 262.144K | $0.0000 | $0.0000 | text->text |
| 25 | Ling-3.0-flash (free) inclusionai/ling-3.0-flash:free | Inclusionai | 262.144K | $0.0000 | $0.0000 | text->text |
| 26 | LiquidAI: LFM2.5-1.2B-Instruct (free) liquid/lfm-2.5-1.2b-instruct:free | Liquid | 32.768K | $0.0000 | $0.0000 | text->text |
| 27 | LiquidAI: LFM2.5-1.2B-Thinking (free) liquid/lfm-2.5-1.2b-thinking:free | Liquid | 32.768K | $0.0000 | $0.0000 | text->text |
| 28 | LiquidAI: LFM2.5-2.6B (free) liquid/lfm-2.5-2.6b:free | Liquid | 65.536K | $0.0000 | $0.0000 | text->text |
| 29 | Meta: Llama 3.2 3B Instruct (free) meta-llama/llama-3.2-3b-instruct:free | Meta | 131.072K | $0.0000 | $0.0000 | text->text |
| 30 | Meta: Llama 3.3 70B Instruct (free) meta-llama/llama-3.3-70b-instruct:free | Meta | 65.536K | $0.0000 | $0.0000 | text->text |
$1–$5 / 1M tokens
Prices from the ModelsAtlas catalog, refreshed daily. Direct provider pricing may be lower. See the full pricing index for complete model coverage.