Best Free AI Models

Zero-cost AI models ranked by intelligence score.

Updated October 12, 2026

RankModelProviderScoreFree Score
1OpenAI: GPT-5 Proopenrouter97.097.0
2OpenAI: o3 Deep Researchopenrouter92.092.0
3Grok 3xai88.088.0
4OpenAI: GPT-5.1-Codex-Maxopenrouter85.085.0
5OpenAI: GPT-5.1openrouter85.085.0
6OpenAI: GPT-5 Codexopenrouter85.085.0
7OpenAI: o4 Mini Deep Researchopenrouter85.085.0
8OpenAI: GPT-5.1-Codexopenrouter85.085.0
9Rerank v3.5cohere80.080.0
10OpenAI: GPT-5.4 Miniopenrouter79.079.0
11OpenAI: GPT-4o Search Previewopenrouter79.079.0
12Llama 4 Maverick 17B 128E Instructhuggingface78.078.0
13gemini-2.5-flashsemantic-cache77.077.0
14deepseek-ai/DeepSeek-V4.1-Flashsemantic-cache77.077.0
15meta-llama/Llama-4-Scout-17B-16E-Instructsemantic-cache77.077.0
16command-a-03-2025semantic-cache77.077.0
17Rerank English v3.0cohere75.075.0
18Embed Multilingual v3.0cohere75.075.0
19Rerank Multilingual v3.0cohere75.075.0
20OpenAI: GPT-5.1-Codex-Miniopenrouter75.075.0
21Embed English v3.0cohere75.075.0
22OpenAI: GPT-5 Miniopenrouter75.075.0
23QwQ 32Bhuggingface72.072.0
24OpenAI: GPT-3.5 Turbo 16kopenrouter72.072.0
25Grok 3 Minixai72.072.0
26OpenAI: GPT-3.5 Turbo Instructopenrouter68.068.0
27OpenAI: GPT-5 Nanoopenrouter65.065.0
28deepseek-ai/DeepSeek-V3-0324semantic-cache64.064.0
29Llama 4 Maverickgroq64.064.0
30DeepSeek-V3-0324groq64.064.0
31DeepSeek V3.1huggingface63.063.0
32Kimi K2.5novita63.063.0
33GPT-4o Mini (AskCodi)huggingface62.062.0
34Mistral Small 3.1huggingface62.062.0
35Llama 4 Scouthuggingface62.062.0
36anthropic/claude-opus-4-6anthropic61.061.0
37Gpt 5.3 Codexopenrouter61.061.0
38deepseek/deepseek-r1-turbosemantic-cache61.061.0
39anthropic/claude-opus-4.8@openrouteropenrouter61.061.0
40anthropic/claude-opus-4.8@vercelvercel61.061.0
41Mistral Large Pixtral 2411mistral60.060.0
42Devstral Small 2507mistral60.060.0
43Labs Mistral Small Creativemistral60.060.0
44Mistral Large 2411mistral60.060.0
45Devstral Medium 2507mistral60.060.0
46Embed Multilingual Light v3.0cohere60.060.0
47Voxtral Mini Realtime Latestmistral60.060.0
48Voxtral Small Latestmistral60.060.0
49Labs Leanstral 2603mistral60.060.0
50Magistral Small 2509mistral60.060.0