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FrontierCode leaderboard

Claude Opus 5.5 leads
54.6%
models measured
41
lead over #2
+1.2 pts
median
42.4%

Leader on FrontierCode · read October 22

frontiercode.py


        # FrontierCode, read October 22
        leaders = {
            "Claude Opus 5.5": 54.6%,    "Claude Fable 5": 53.5%,    "Claude Opus 5": 53.4%,
        }
      

On October 22, 2026, 41 of our catalog's models had a FrontierCode result, and Anthropic Claude Opus 5.5 led with 54.6%, ahead of Anthropic Claude Fable 5 at 53.5%.

Epoch AI collects its results; its benchmarking hub describes the tasks and links the authors.

Role in the index

FrontierCode carries 15% of the Vibe Coding Index. A model missing it is scored on the other benchmarks of that index. Read the methodology

FrontierCode results for models in the catalog
# Model Result Evidence Coding index Output $/Mtok
1 Claude Opus 5.5Anthropic 54.6% 88.8 $20.00
2 Claude Fable 5Anthropic 53.5% 79.3 $50.00
3 Claude Opus 5Anthropic 53.4% 83.0 $25.00
4 GPT-6 AstraOpenAI 53.3% 85.1 $50.00
5 Claude Sonnet 5.5Anthropic 52.1% 87.3 $10.00
6 Claude Fable 5.1Anthropic 50.9% 84.2 $50.00
7 GPT-6.1 SolOpenAI 50.2% 82.4 $10.00
8 GPT-6 SolOpenAI 49.3% 76.0 $10.00
9 Grok 4.6xAI 48.0% 65.7 $6.00
10 Grok 4.7xAI 47.6% 66.7 $6.00
11 Gemini 4 ArgonGoogle 47.5% 81.0 $10.00
12 GPT-5.6 SolOpenAI 47.5% 73.5 $20.00
13 Claude Opus 4.8Anthropic 46.5% 65.0 $25.00
14 Claude Haiku 5.5Anthropic 46.4% 70.7 $0.50
15 Kimi K3Moonshot AI 44.2% 62.3 $15.00
16 DeepSeek V4.1 FlashDeepSeek 43.9% 62.5 $0.84
17 Gemini 3.7 FlashGoogle 43.6% 58.0 $3.75
18 GPT-5.5OpenAI 43.0% 71.3 $30.00
19 Claude Sonnet 5Anthropic 42.7% 57.7 $10.00
20 Grok 4.5xAI 42.4% 58.6 $6.00
21 GPT-6 LunaOpenAI 42.4% 57.3 $0.50
22 GPT-5.6 TerraOpenAI 41.3% 63.9 $12.00
23 Gemini 3.8 FlashGoogle 41.2% 61.6 $3.75
24 GLM 5.3Z.ai 40.1% 70.6 $4.40
25 GPT-5.6 LunaOpenAI 39.8% 58.0 $1.20
26 Mistral Large 4Mistral AI 39.4% 56.4 $4.18
27 Claude Opus 4.7Anthropic 38.5% 67.5 $25.00
28 Gemini 3.6 FlashGoogle 34.4% 62.5 $3.75
29 GLM 5.3 FlashZ.ai 31.8% 57.7 $0.50
30 Kimi K2.7 CodeMoonshot AI 30.1% 53.4 $4.00
31 DeepSeek V4 Pro 0813DeepSeek 28.5% 56.1 $1.98
32 GPT-5.4 MiniOpenAI 27.0% 35.8 $4.50
33 Claude Opus 4.6Anthropic 26.6% 57.2 $25.00
34 GLM 5.2Z.ai 24.5% 61.1 $4.40
35 Claude Sonnet 4.6Anthropic 24.3% 57.3 $15.00
36 DeepSeek V4 Flash 0731DeepSeek 18.8% 51.8 $0.396
37 DeepSeek V4 Pro 0423DeepSeek 17.6% 38.7 $2.976
38 MiniMax M3MiniMax 14.7% 39.2 $1.20
39 T InklingThinking Machines 14.0% 31.5 $4.05
40 Nemotron 3 UltraNVIDIA 13.6% 30.0 $2.40
41 Qwen3.7 PlusQwen 10.2% 33.2 $1.28

Only models in our catalog are listed, and each appears once with its best published run. 215 rows were read from the source on October 22, 2026, and rows that match no catalog model are left out.