Budget APIs
Sorted by lowest input-token price. Output prices and free-tier rate limits vary — check each model page for full pricing.
50 models in this category. See also the “Cheapest AI models per token” ranking with editorial picks and FAQ.
| Model | Provider | Context | Input price / 1M | Tier |
|---|---|---|---|---|
| NVIDIA: Switchyard nvidia/switchyard | Nvidia | 1M Ultra context (1M+) | $-1000000.00 | Budget |
| Auto Router openrouter/auto | Openrouter | 2M Ultra context (1M+) | $-1000000.00 | Budget |
| Auto Router (Beta) openrouter/auto-beta | Openrouter | 2M Ultra context (1M+) | $-1000000.00 | Budget |
| OpenRouter: Fusion openrouter/fusion | Openrouter | 1M Ultra context (1M+) | $-1000000.00 | Budget |
| Pareto Code Router openrouter/pareto-code | Openrouter | 2M Ultra context (1M+) | $-1000000.00 | Budget |
| TypeSafe: Jev Router typesafe/jev-router | Typesafe | 1M Ultra context (1M+) | $-1000000.00 | Budget |
| Body Builder (beta) openrouter/bodybuilder | Openrouter | 128K Long context (128K+) | $-1000000.00 | Budget |
| DeepSeek: DeepSeek V4 Flash 0731 (free) deepseek/deepseek-v4-flash-0731:free | DeepSeek | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Google: Lyria 3 Clip Preview google/lyria-3-clip-preview | 1.0M Ultra context (1M+) | $0.00 | Budget | |
| Google: Lyria 3 Pro Preview google/lyria-3-pro-preview | 1.0M Ultra context (1M+) | $0.00 | Budget | |
| MiniMax: MiniMax M3 (free) minimax/minimax-m3:free | Minimax | 1.0M Ultra context (1M+) | $0.00 | Budget |
| NVIDIA: Nemotron 3 Ultra (free) nvidia/nemotron-3-ultra-550b-a55b:free | Nvidia | 1M Ultra context (1M+) | $0.00 | Budget |
| NVIDIA: Nemotron 3.5 Lightning (free) nvidia/nemotron-3.5-lightning:free | Nvidia | 1M Ultra context (1M+) | $0.00 | Budget |
| Qwen: Qwen3.6 Plus Preview (free) qwen/qwen3.6-plus-preview:free | Qwen | 1M Ultra context (1M+) | $0.00 | Budget |
| Ox Alpha stealth/ox-alpha | Stealth | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Space Bunny Alpha stealth/space-bunny-alpha | Stealth | 1M Ultra context (1M+) | $0.00 | Budget |
| Thinking Machines: Inkling (free) thinkingmachines/inkling:free | Thinkingmachines | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Thinking Machines: Inkling Small (free) thinkingmachines/inkling-small:free | Thinkingmachines | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Apodex: Apodex 1.1 Mini (free) apodex/apodex-1.1-mini:free | Apodex | 262K Long context (128K+) | $0.00 | Budget |
| Cohere: North Mini Code (free) cohere/north-mini-code:free | Cohere | 256K Long context (128K+) | $0.00 | Budget |
| Dots Studio: Dots3-Note Preview (free) dots-studio/dots-3-note-preview:free | Dots Studio | 512K Long context (128K+) | $0.00 | Budget |
| Google: Gemma 4 26B A4B (free) google/gemma-4-26b-a4b-it:free | 262K Long context (128K+) | $0.00 | Budget | |
| Google: Gemma 4 31B (free) google/gemma-4-31b-it:free | 262K Long context (128K+) | $0.00 | Budget | |
| inclusionAI: Ling 3.0 Flash Fin (free) inclusionai/ling-3.0-flash-fin:free | Inclusionai | 262K Long context (128K+) | $0.00 | Budget |
| inclusionAI: Ling 3.0 Flash Sante (free) inclusionai/ling-3.0-flash-sante:free | Inclusionai | 262K Long context (128K+) | $0.00 | Budget |
| inclusionAI: Ling 3.0 Flash VL (free) inclusionai/ling-3.0-flash-vl:free | Inclusionai | 262K Long context (128K+) | $0.00 | Budget |
| inclusionAI: Ling 3.0 Tiny (free) inclusionai/ling-3.0-tiny:free | Inclusionai | 262K Long context (128K+) | $0.00 | Budget |
| Ling-3.0-flash (free) inclusionai/ling-3.0-flash:free | Inclusionai | 262K Long context (128K+) | $0.00 | Budget |
| Nex AGI: Nex-N2.5-Mini (free) nex-agi/nex-n2.5-mini:free | Nex Agi | 262K Long context (128K+) | $0.00 | Budget |
| Nex AGI: Nex-N2.5-Pro (free) nex-agi/nex-n2.5-pro:free | Nex Agi | 262K Long context (128K+) | $0.00 | Budget |
| NVIDIA: Nemotron 3 Nano 30B A3B (free) nvidia/nemotron-3-nano-30b-a3b:free | Nvidia | 256K Long context (128K+) | $0.00 | Budget |
| NVIDIA: Nemotron 3 Nano Omni (free) nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free | Nvidia | 256K Long context (128K+) | $0.00 | Budget |
| NVIDIA: Nemotron 3 Super (free) nvidia/nemotron-3-super-120b-a12b:free | Nvidia | 262K Long context (128K+) | $0.00 | Budget |
| Free Models Router openrouter/free | Openrouter | 200K Long context (128K+) | $0.00 | Budget |
| Poolside: Laguna S 2.1 (free) poolside/laguna-s-2.1:free | Poolside | 262K Long context (128K+) | $0.00 | Budget |
| Poolside: Laguna XS 2.1 (free) poolside/laguna-xs-2.1:free | Poolside | 262K Long context (128K+) | $0.00 | Budget |
| Qwen: Qwen3 Coder 480B A35B (free) qwen/qwen3-coder:free | Qwen | 262K Long context (128K+) | $0.00 | Budget |
| Qwen: Qwen3 Next 80B A3B Instruct (free) qwen/qwen3-next-80b-a3b-instruct:free | Qwen | 262K Long context (128K+) | $0.00 | Budget |
| Qwen: Qwen3.8 27B (free) qwen/qwen3.8-27b:free | Qwen | 262K Long context (128K+) | $0.00 | Budget |
| Union Alpha stealth/union-alpha | Stealth | 262K Long context (128K+) | $0.00 | Budget |
| StepFun: Step 3.5 Flash (free) stepfun/step-3.5-flash:free | Stepfun | 256K Long context (128K+) | $0.00 | Budget |
| DeepSeek: DeepSeek V4 Flash 0731 deepseek/deepseek-v4-flash-0731 | DeepSeek | 1.0M Ultra context (1M+) | $0.02 | Budget |
| Arcee AI: Trinity Large Preview (free) arcee-ai/trinity-large-preview:free | Arcee Ai | 131K Long context (128K+) | $0.00 | Budget |
| Arcee AI: Trinity Mini (free) arcee-ai/trinity-mini:free | Arcee Ai | 131K Long context (128K+) | $0.00 | Budget |
| Google: Gemma 3 27B (free) google/gemma-3-27b-it:free | 131K Long context (128K+) | $0.00 | Budget | |
| inclusionAI: Ling-2.6-flash inclusionai/ling-2.6-flash | Inclusionai | 262K Long context (128K+) | $0.01 | Budget |
| Meta: Llama 3.2 3B Instruct (free) meta-llama/llama-3.2-3b-instruct:free | Meta | 131K Long context (128K+) | $0.00 | Budget |
| MiniMax: MiniMax M2.5 (free) minimax/minimax-m2.5:free | Minimax | 197K Long context (128K+) | $0.00 | Budget |
| MiniMax: MiniMax M2.7 (free) minimax/minimax-m2.7:free | Minimax | 197K Long context (128K+) | $0.00 | Budget |
| Mistral: Mistral Small 3.1 24B (free) mistralai/mistral-small-3.1-24b-instruct:free | Mistral AI | 128K Long context (128K+) | $0.00 | Budget |