1 gpt-5 Closed OpenAI · GPT 5 · best of 2 rows 86.7% Official board edit_format diff reasoning_effort medium leader 25 Aug 2025 aider.chat T2 History 2 o3-pro Closed OpenAI · OpenAI o-series 84.9% Official board edit_format diff reasoning_effort high Partially comparable -1.80 pt 28 Jun 2025 aider.chat T2 History 3 Gemini 2.5 Pro Preview 06-05 Google · Gemini 2.5 · best of 2 rows 83.1% Official board edit_format diff-fenced reasoning on thinking_budget 32k Partially comparable -3.60 pt 6 Jun 2025 aider.chat T2 History 4 o3 Closed OpenAI · OpenAI o-series · best of 2 rows 81.3% Official board edit_format diff reasoning_effort high Partially comparable -5.40 pt 25 Jun 2025 aider.chat T2 History 5 grok-4 Closed SpaceXAI · Grok 4 79.6% Official board edit_format diff reasoning_effort high Partially comparable -7.10 pt 11 Jul 2025 aider.chat T2 History 6 o3 (high) + gpt-4.1 · GPT 4.1 78.2% Official board edit_format architect Partially comparable -8.50 pt 27 Jun 2025 aider.chat T2 History 7 Gemini 2.5 Pro Preview 05-06 Google · Gemini 2.5 76.9% Official board edit_format diff-fenced Partially comparable -9.80 pt 7 May 2025 aider.chat T2 History 8 DeepSeek-V3.2-Exp (Reasoner) · DeepSeek 74.2% Official board edit_format diff Partially comparable -12.5 pt 3 Oct 2025 aider.chat T2 History 9 Gemini 2.5 Pro Preview 03-25 · Gemini 2.5 72.9% Official board edit_format diff-fenced Partially comparable -13.8 pt 12 Apr 2025 aider.chat T2 History 10 Claude Opus 4 Closed Anthropic · Claude · best of 2 rows 72% Official board edit_format diff reasoning on thinking_budget 32k Partially comparable -14.7 pt 25 May 2025 aider.chat T2 History 10 o4-mini Closed OpenAI · OpenAI o-series 72% Official board edit_format diff reasoning_effort high Partially comparable -14.7 pt 16 Apr 2025 aider.chat T2 History 12 R1 0528 Open weights DeepSeek 71.4% Official board edit_format diff Partially comparable -15.3 pt 6 Jun 2025 aider.chat T2 History 13 DeepSeek-V3.2-Exp (Chat) · DeepSeek 70.2% Official board edit_format diff Partially comparable -16.5 pt 3 Oct 2025 aider.chat T2 History 14 claude-3-7-sonnet-20250219 (32k thinking tokens) · Claude 3.7 64.9% Official board edit_format diff Partially comparable -21.8 pt 24 Feb 2025 aider.chat T2 History 15 DeepSeek R1 + claude-3-5-sonnet-20241022 · Claude 3.5 64% Official board edit_format architect Partially comparable -22.7 pt 23 Jan 2025 aider.chat T2 History 16 o1 Closed OpenAI · OpenAI o-series 61.7% Official board edit_format diff reasoning_effort high Partially comparable -25.0 pt 21 Dec 2024 aider.chat T2 History 17 Claude Sonnet 4 Closed Anthropic · Claude · best of 2 rows 61.3% Official board edit_format diff reasoning on thinking_budget 32k Partially comparable -25.4 pt 24 May 2025 aider.chat T2 History 18 Claude 3.7 Sonnet Closed Anthropic · Claude 60.4% Official board edit_format diff reasoning off Partially comparable -26.3 pt 24 Feb 2025 aider.chat T2 History 18 o3-mini Closed OpenAI · OpenAI o-series · best of 2 rows 60.4% Official board edit_format diff reasoning_effort high Partially comparable -26.3 pt 31 Jan 2025 aider.chat T2 History 20 Qwen3 235B A22B diff, no think, Alibaba API · Qwen3 59.6% Official board edit_format diff Partially comparable -27.1 pt 9 May 2025 aider.chat T2 History 21 Kimi K2 0711 Open weights Moonshot AI · Kimi 59.1% Official board edit_format diff Partially comparable -27.6 pt 17 Jul 2025 aider.chat T2 History 22 R1 Open weights DeepSeek 56.9% Official board edit_format diff Partially comparable -29.8 pt 20 Jan 2025 aider.chat T2 History 23 DeepSeek V3 0324 Open weights DeepSeek · DeepSeek-V3 55.1% Official board edit_format diff Partially comparable -31.6 pt 24 Mar 2025 aider.chat T2 History 23 gemini-2.5-flash-preview-05-20 (24k think) · Gemini 2.5 55.1% Official board edit_format diff Partially comparable -31.6 pt 25 May 2025 aider.chat T2 History 25 Quasar Alpha 54.7% Official board edit_format diff Partially comparable -32.0 pt 4 Apr 2025 aider.chat T2 History 26 Grok 3 Beta · Grok 3 53.3% Official board edit_format diff Partially comparable -33.4 pt 10 Apr 2025 aider.chat T2 History 27 Optimus Alpha 52.9% Official board edit_format diff Partially comparable -33.8 pt 10 Apr 2025 aider.chat T2 History 28 gpt-4.1 Closed OpenAI · GPT 4.1 52.4% Official board edit_format diff Partially comparable -34.3 pt 14 Apr 2025 aider.chat T2 History 29 claude-3-5-sonnet-20241022 Anthropic · Claude 3.5 51.6% Official board edit_format diff Partially comparable -35.1 pt 17 Jan 2025 aider.chat T2 History 30 Grok 3 Mini Beta (high) · Grok 3 49.3% Official board edit_format whole Partially comparable -37.4 pt 10 Apr 2025 aider.chat T2 History 31 DeepSeek Chat V3 (prev) · DeepSeek 48.4% Official board edit_format diff Partially comparable -38.3 pt 25 Dec 2024 aider.chat T2 History 32 gemini-2.5-flash-preview-04-17 (default) · Gemini 2.5 47.1% Official board edit_format diff Partially comparable -39.6 pt 20 Apr 2025 aider.chat T2 History 33 chatgpt-4o-latest (2025-03-29) · GPT 4 45.3% Official board edit_format diff Partially comparable -41.4 pt 29 Mar 2025 aider.chat T2 History 34 GPT-4.5 Preview Closed OpenAI · GPT 4.5 44.9% Official board edit_format diff Partially comparable -41.8 pt 27 Feb 2025 aider.chat T2 History 35 gemini-2.5-flash-preview-05-20 (no think) · Gemini 2.5 44% Official board edit_format diff Partially comparable -42.7 pt 26 May 2025 aider.chat T2 History 36 gpt-oss-120b Open weights OpenAI · gpt-oss 41.8% Official board edit_format diff reasoning_effort high Partially comparable -44.9 pt 6 Aug 2025 aider.chat T2 History 37 Qwen3 32B Open weights Qwen · Qwen3 40% Official board edit_format diff Partially comparable -46.7 pt 8 May 2025 aider.chat T2 History 38 gemini-exp-1206 · Gemini 38.2% Official board edit_format whole Partially comparable -48.5 pt 22 Dec 2024 aider.chat T2 History 39 Gemini 2.0 Pro exp-02-05 · Gemini 2.0 35.6% Official board edit_format whole Partially comparable -51.1 pt 25 Feb 2025 aider.chat T2 History 40 Grok 3 Mini Beta (low) · Grok 3 34.7% Official board edit_format whole Partially comparable -52.0 pt 10 Apr 2025 aider.chat T2 History 41 o1-mini-2024-09-12 · OpenAI o-series 32.9% Official board edit_format whole Partially comparable -53.8 pt 22 Dec 2024 aider.chat T2 History 42 gpt-4.1-mini Closed OpenAI · GPT 4.1 32.4% Official board edit_format diff Partially comparable -54.3 pt 14 Apr 2025 aider.chat T2 History 43 Claude Haiku 3.5 Closed Anthropic · Claude 28% Official board edit_format diff Partially comparable -58.7 pt 21 Dec 2024 aider.chat T2 History 44 chatgpt-4o-latest (2025-02-15) · GPT 4 27.1% Official board edit_format diff Partially comparable -59.6 pt 15 Feb 2025 aider.chat T2 History 45 QwQ-32B + Qwen 2.5 Coder Instruct · Qwen2.5 26.2% Official board edit_format architect Partially comparable -60.5 pt 7 Mar 2025 aider.chat T2 History 46 GPT-4o (2024-08-06) Closed OpenAI · GPT 4 23.1% Official board edit_format diff Partially comparable -63.6 pt 30 Dec 2024 aider.chat T2 History 47 gemini-2.0-flash-exp Closed Google · Gemini 2.0 22.2% Official board edit_format whole Partially comparable -64.5 pt 22 Dec 2024 aider.chat T2 History 48 qwen-max-2025-01-25 · Qwen 21.8% Official board edit_format diff Partially comparable -64.9 pt 28 Jan 2025 aider.chat T2 History 49 QwQ-32B Open weights Alibaba Group · Qwen 20.9% Official board edit_format diff Partially comparable -65.8 pt 6 Mar 2025 aider.chat T2 History 50 GPT-4o (2024-11-20) OpenAI · GPT 4 18.2% Official board edit_format diff Partially comparable -68.5 pt 30 Dec 2024 aider.chat T2 History 50 gemini-2.0-flash-thinking-exp-01-21 Closed Google · Gemini 2.0 18.2% Official board edit_format diff Partially comparable -68.5 pt 21 Jan 2025 aider.chat T2 History 52 DeepSeek Chat V2.5 · DeepSeek 17.8% Official board edit_format diff Partially comparable -68.9 pt 21 Dec 2024 aider.chat T2 History 53 ▼51 Qwen2.5 Coder 32B Instruct Open weights Qwen · Qwen2.5 16.4% Official board edit_format whole Partially comparable -70.3 pt 26 Dec 2024 aider.chat T2 History 54 Llama 4 Maverick Open weights Meta AI · Llama 4 15.6% Official board edit_format whole Partially comparable -71.1 pt 6 Apr 2025 aider.chat T2 History 55 yi-lightning · Yi 12.9% Official board edit_format whole Partially comparable -73.8 pt 23 Dec 2024 aider.chat T2 History 56 command-a-03-2025-quality · Command 12% Official board edit_format whole Partially comparable -74.7 pt 14 Mar 2025 aider.chat T2 History 57 Codestral 25.01 Mistral AI · Codestral 25.01 11.1% Official board edit_format whole Partially comparable -75.6 pt 13 Jan 2025 aider.chat T2 History 58 openhands-lm-32b-v0.1 10.2% Official board edit_format whole Partially comparable -76.5 pt 19 Apr 2025 aider.chat T2 History 59 gpt-4.1-nano Closed OpenAI · GPT 4.1 8.90% Official board edit_format whole Partially comparable -77.8 pt 14 Apr 2025 aider.chat T2 History 60 Gemma 3 27B Open weights Google · Gemma 3 4.90% Official board edit_format whole Partially comparable -81.8 pt 15 Mar 2025 aider.chat T2 History 61 GPT-4o-mini (2024-07-18) OpenAI · GPT 4 3.60% Official board edit_format whole Partially comparable -83.1 pt 21 Dec 2024 aider.chat T2 History