Best Free AI Models

Zero-cost AI models ranked by intelligence score.

Updated October 13, 2026

RankModelProviderScoreFree Score
1OpenAI: GPT-5 Proopenrouter97.097.0
2OpenAI: o3 Deep Researchopenrouter92.092.0
3Grok 3xai88.088.0
4OpenAI: GPT-5.1-Codexopenrouter85.085.0
5OpenAI: o4 Mini Deep Researchopenrouter85.085.0
6OpenAI: GPT-5 Codexopenrouter85.085.0
7OpenAI: GPT-5.1openrouter85.085.0
8OpenAI: GPT-5.1-Codex-Maxopenrouter85.085.0
9Rerank v3.5cohere80.080.0
10OpenAI: GPT-4o Search Previewopenrouter79.079.0
11OpenAI: GPT-5.4 Miniopenrouter79.079.0
12Llama 4 Maverick 17B 128E Instructhuggingface78.078.0
13command-a-03-2025semantic-cache77.077.0
14meta-llama/Llama-4-Scout-17B-16E-Instructsemantic-cache77.077.0
15gemini-2.5-flashsemantic-cache77.077.0
16deepseek-ai/DeepSeek-V4.1-Flashsemantic-cache77.077.0
17Rerank Multilingual v3.0cohere75.075.0
18Rerank English v3.0cohere75.075.0
19Embed English v3.0cohere75.075.0
20Embed Multilingual v3.0cohere75.075.0
21OpenAI: GPT-5.1-Codex-Miniopenrouter75.075.0
22OpenAI: GPT-5 Miniopenrouter75.075.0
23QwQ 32Bhuggingface72.072.0
24Grok 3 Minixai72.072.0
25OpenAI: GPT-3.5 Turbo 16kopenrouter72.072.0
26OpenAI: GPT-3.5 Turbo Instructopenrouter68.068.0
27OpenAI: GPT-5 Nanoopenrouter65.065.0
28Llama 4 Maverickgroq64.064.0
29DeepSeek-V3-0324groq64.064.0
30Llama 4 Scouthuggingface63.063.0
31Kimi K2.5novita63.063.0
32Mistral Small 3.1huggingface62.062.0
33deepseek-ai/DeepSeek-V3-0324semantic-cache62.062.0
34DeepSeek V3.1huggingface62.062.0
35GPT-4o Mini (AskCodi)huggingface62.062.0
36anthropic/claude-opus-4.8@openrouteropenrouter61.061.0
37deepseek/deepseek-r1-turbosemantic-cache61.061.0
38Gpt 5.3 Codexopenrouter61.061.0
39anthropic/claude-opus-4-6anthropic61.061.0
40anthropic/claude-opus-4.8@vercelvercel61.061.0
41Mistral Large 2411mistral60.060.0
42Mistral Large Pixtral 2411mistral60.060.0
43Labs Mistral Small Creativemistral60.060.0
44Devstral Small 2507mistral60.060.0
45Embed Multilingual Light v3.0cohere60.060.0
46Voxtral Mini Realtime Latestmistral60.060.0
47Mistral Small 2506mistral60.060.0
48Voxtral Mini 2507mistral60.060.0
49Devstral Medium 2507mistral60.060.0
50Voxtral Small Latestmistral60.060.0