T3 Code usage share · Open Analysis

#	Model	Effort	Score	Cost / task	Harness
1	Opus 5.5	max	29.1%	–	–
2	GPT-6 Astra	max	17.0%	–	–
3	Fable 5.1	max	9.3%	–	–
4	Opus 5	max	9.1%	–	–
5	GPT-6.1 Sol	max	5.5%	–	–
6	GPT-5.6 Sol	max	5.4%	–	–
7	GPT-6 Sol	max	2.6%	–	–
8	Sonnet 5	max	1.6%	–	–
9	GPT-5.6 Luna	max	1.5%	–	–
10	GPT-6 Luna	max	1.2%	–	–
11	Sonnet 5.5	max	1.1%	–	–
12	GPT-5.6 Terra	max	0.7%	–	–
13	Opus 4.8	max	0.5%	–	–
14	Fable 5	max	0.5%	–	–
15	Opus 4.6	max	0.1%	–	–
16	GPT-5.5	xhigh	0.1%	–	–
17	Sonnet 4.6	max	0.1%	–	–
18	Haiku 4.5	xhigh	0.1%	–	–
19	Gemini 3.8 Flash	max	0.0%	–	–
20	Opus 4.7	max	0.0%	–	–
21	GPT-5 Codex	high	0.0%	–	–
22	GPT-5.3 Codex	xhigh	0.0%	–	–
23	GPT-5.4	xhigh	0.0%	–	–
24	Opus 4.5	high	0.0%	–	–
25	Haiku 5.5	max	0.0%	–	–
26	GPT-5.4 Mini	xhigh	0.0%	–	–
27	Sonnet 4.5	high	0.0%	–	–
28	GPT-5.6	–	0.0%	–	–
29	Gemini 3.7 Flash	max	0.0%	–	–
30	Gemini 3.1 Pro	high	0.0%	–	–
31	GPT-5 Mini	high	0.0%	–	–
32	GPT-5.2	xhigh	0.0%	–	–
33	Gemini 3 Flash	high	0.0%	–	–
34	Gemini 3.5 Flash	xhigh	0.0%	–	–
35	Gemini 3.1 Flash-Lite	high	0.0%	–	–
36	Gemini 3.5 Flash-Lite	xhigh	0.0%	–	–
37	Gemini 3.6 Flash	xhigh	0.0%	–	–
38	GPT-4.1 Mini	high	0.0%	–	–
39	GPT-6 Pro	–	0.0%	–	–
40	GPT-5	high	0.0%	–	–
41	Gemini 2.5 Flash	medium	0.0%	–	–
42	Gemini 2.5 Pro	high	0.0%	–	–
43	Haiku 4	–	0.0%	–	–
44	GPT-4.1	high	0.0%	–	–
45	GPT-5 Nano	high	0.0%	–	–
46	Sonnet 6.7	–	0.0%	–	–
47	Opus 4	medium	0.0%	–	–
48	Fable 1	–	0.0%	–	–
49	GPT-6.1	–	0.0%	–	–
50	GPT-5.2 Codex	xhigh	0.0%	–	–
51	GPT-4.1 Nano	high	0.0%	–	–
52	GPT-5.6 Astra	–	0.0%	–	–
53	Sonnet 4	high	0.0%	–	–
54	GPT-5.4 Nano	xhigh	0.0%	–	–
55	GPT-6.0 Astra	–	0.0%	–	–
56	GPT-6 Terra	–	0.0%	–	–
57	Opus 5.6	–	0.0%	–	–
58	GPT-6.0 Luna	–	0.0%	–	–
59	Sonnet 4.0	–	0.0%	–	–
60	Fable 5.5	–	0.0%	–	–
61	Gemini 3.8 Flash Lite	–	0.0%	–	–
62	Sonnet 5.0	–	0.0%	–	–
63	GPT-5.5 Codex	xhigh	0.0%	–	–
64	GPT-6	–	0.0%	–	–
65	GPT-6.0	–	0.0%	–	–
66	Gemini 2.5 Flash Lite	none	0.0%	–	–
67	GPT-56 Terra	–	0.0%	–	–
68	Opus 3	none	0.0%	–	–
69	GPT-5.1	high	0.0%	–	–
70	GPT-6.1 Luna	–	0.0%	–	–
71	Opus 99	–	0.0%	–	–
72	GPT-5 Astra	–	0.0%	–	–
73	GPT-5.6 Pro	–	0.0%	–	–
74	GPT-7	–	0.0%	–	–
75	GPT-5.5 Pro	xhigh	0.0%	–	–
76	Opus 5.9	–	0.0%	–	–
77	GPT-6.0 Sol	–	0.0%	–	–
78	GPT-8	–	0.0%	–	–
79	GPT-4	high	0.0%	–	–
80	Opus 55	–	0.0%	–	–
81	GPT-5.2 Pro	xhigh	0.0%	–	–
82	GPT-5.1 Sol	–	0.0%	–	–
83	GPT-6.2 Sol	–	0.0%	–	–
84	GPT-5.3	xhigh	0.0%	–	–
85	GPT-6.1 Astra	–	0.0%	–	–