Automated Essay Scoring on IELTS Writing Task 2

99.02Accuracy

Llama-3.1-8B (4-LoRA)

Updated 1mo ago

Evaluation Results

Method
Llama-3.1-8B (4-LoRA) 2026.03	99.02	93.5	0.87	0.62
Llama-3.1-8B (1-LoRA) 2026.03	98.7	92.5	0.84	0.58
Llama-3.1-8B (4-LoRA) 2026.03	98.18	79.99	0.9947	0.7676
Llama-3.1-8B (1-LoRA) 2026.03	97.5	88	0.92	0.66
Llama-3.1-8B (not finetuned) 2026.03	96.3	84	0.98	0.7
Gemini 2.5 Pro 2026.03	96.16	55.81	1.4977	1.2026
Mistral-7B-Instruct-v0.3 (1-LoRA) 2026.03	94.7	87.5	1.03	0.83
Mistral-7B-Instruct-v0.3 (not finetuned) 2026.03	90.5	72	1.18	0.85
Llama-3.1-8B 2026.03	87.08	56.79	1.3547	0.9436
Llama-3.1-8B 2026.03	86.8	52	0.94	1.02
Phi-2 2026.03	78.12	41	1.35	0.6505
Llama-3.1-8B 2026.03	75.96	45.11	1.0172	0.9859
GPT-2 (LLM-based) 2026.03	73.5	30.9	0.77	0.539
RoBERTa-base (BERT-based) 2026.03	73.1	30.4	0.784	0.549
GPT-4o 2026.03	72	29.2	1.13	0.791
GPT-4o 2026.03	71	28.1	1.05	0.735
GPT-2 (LLM-based) 2026.03	70.7	27.8	0.757	0.53
Mistral-7B 2026.03	70	27	1.4128	1.1214
Gemma-7B 2026.03	67	22	1.33	0.98
RoBERTa-base (BERT-based) 2026.03	65.1	21.6	0.83	0.581
Llama-3-70B 2026.03	63	19.3	0.99	0.693
Llama-3-70B 2026.03	56	11.6	1.25	0.875