diff --git a/README.md b/README.md
index 1cdb628b..c7d52380 100644
--- a/README.md
+++ b/README.md
@@ -32,21 +32,21 @@ RouterArena bridges this gap by providing an open evaluation platform and benchm
 
 For more details, please see our [website](https://routeworks.github.io/leaderboard) and [blog](https://huggingface.co/blog/JerryPotter/who-routes-the-routers).
 
-| Rank | Router | Affiliation | Arena | Optimal Selection | Optimal Cost | Optimal Accuracy | Latency | Robustness |
-|------|--------------------|-----------------------------|--------|-----------------|--------------|----------------|---------|------------|
-| 🥇 | [MIRT‑BERT](https://arxiv.org/pdf/2506.01048) [[GH]](https://github.com/Mercidaiha/IRT-Router) | 🎓 USTC | 66.89 | 3.44 | 19.62 | 78.18 | 27.03 | 94.50 |
-| 🥈 | [Azure‑Router](https://ai.azure.com/catalog/models/model-router) [[Web]](https://learn.microsoft.com/en-us/azure/ai-foundry/openai/concepts/model-router) | 💼 Microsoft | 66.66 | 22.52 | 46.32 | 81.96 | — | — |
-| 🥉 | [NIRT‑BERT](https://arxiv.org/pdf/2506.01048) [[GH]](https://github.com/Mercidaiha/IRT-Router) | 🎓 USTC | 66.12 | 3.83 | 14.04 | 77.88 | 10.42 | 44.50 |
-| 4 | [GPT‑5](https://openai.com/index/introducing-gpt-5/)| 💼 OpenAI | 64.32 | — | — | — | — | — |
-| 5 | [vLLM‑SR](https://vllm-semantic-router.com/) [[GH]](https://github.com/vllm-project/semantic-router) [[HF]](https://huggingface.co/llm-semantic-router) | 🎓 vLLM SR Team | 64.32 | 4.79 | 12.54 | 79.33 | 0.19 | 100.00 |
-| 6 | [CARROT](https://arxiv.org/abs/2502.03261) [[GH]](https://github.com/somerstep/CARROT) [[HF]](https://huggingface.co/CARROT-LLM-Routing) | 🎓 UMich | 63.87 | 2.68 | 6.77 | 78.63 | 1.50 | 93.60 |
-| 7 | [Chayan](https://huggingface.co/adaptive-classifier/chayan) [[HF]](https://huggingface.co/adaptive-classifier/chayan) | 🎓 Adaptive Classifier | 63.83 | 43.03 | 43.75 | 88.74 | — | — |
-| 8 | [NotDiamond](https://www.notdiamond.ai/) | 💼 NotDiamond | 63.00 | 1.55 | 2.14 | 76.81 | — | — |
-| 9 | [RouterBench‑MLP](https://arxiv.org/pdf/2403.12031) [[GH]](https://github.com/withmartian/routerbench) [[HF]](https://huggingface.co/datasets/withmartian/routerbench) | 🎓 Martian | 57.56 | 13.39 | 24.45 | 83.32 | 90.91 | 96.90 |
-| 10 | [GraphRouter](https://arxiv.org/abs/2410.03834) [[GH]](https://github.com/ulab-uiuc/GraphRouter) | 🎓 UIUC | 57.22 | 4.73 | 38.33 | 74.25 | 2.70 | 97.50 |
-| 11 | [RouterBench‑KNN](https://arxiv.org/pdf/2403.12031) [[GH]](https://github.com/withmartian/routerbench) [[HF]](https://huggingface.co/datasets/withmartian/routerbench) | 🎓 Martian | 55.48 | 13.09 | 25.49 | 78.77 | 1.33 | 51.30 |
-| 12 | [RouteLLM](https://arxiv.org/abs/2406.18665) [[GH]](https://github.com/lm-sys/RouteLLM) [[HF]](https://huggingface.co/routellm) | 🎓 Berkeley | 48.07 | 99.72 | 99.63 | 68.76 | 0.40 | 99.80 |
-| 13 | [RouterDC](https://arxiv.org/abs/2409.19886) [[GH]](https://github.com/shuhao02/RouterDC) | 🎓 SUSTech | 33.75 | 39.84 | 73.00 | 49.05 | 10.75 | 97.60 |
+| Rank | Router | Affiliation | Acc-Cost Arena | Accuracy | Cost/1K Queries | Optimal Selection | Optimal Cost | Optimal Accuracy | Latency | Robustness |
+|------|--------------------|-----------------------------|--------|----------|---------|-----------------|--------------|----------------|---------|------------|
+| 🥇 | [MIRT‑BERT](https://arxiv.org/pdf/2506.01048) [[GH]](https://github.com/Mercidaiha/IRT-Router) | 🎓 USTC | 66.89 | 66.88 | $0.15 | 3.44 | 19.62 | 78.18 | 27.03 | 94.50 |
+| 🥈 | [Azure‑Router](https://ai.azure.com/catalog/models/model-router) [[Web]](https://learn.microsoft.com/en-us/azure/ai-foundry/openai/concepts/model-router) | 💼 Microsoft | 66.66 | 68.09 | $0.54 | 22.52 | 46.32 | 81.96 | — | — |
+| 🥉 | [NIRT‑BERT](https://arxiv.org/pdf/2506.01048) [[GH]](https://github.com/Mercidaiha/IRT-Router) | 🎓 USTC | 66.12 | 66.34 | $0.21 | 3.83 | 14.04 | 77.88 | 10.42 | 44.50 |
+| 4 | [GPT‑5](https://openai.com/index/introducing-gpt-5/)| 💼 OpenAI | 64.32 | 73.96 | $10.02 | — | — | — | — | — |
+| 5 | [vLLM‑SR](https://vllm-semantic-router.com/) [[GH]](https://github.com/vllm-project/semantic-router) [[HF]](https://huggingface.co/llm-semantic-router) | 🎓 vLLM SR Team | 64.32 | 67.28 | $1.67 | 4.79 | 12.54 | 79.33 | 0.19 | 100.00 |
+| 6 | [CARROT](https://arxiv.org/abs/2502.03261) [[GH]](https://github.com/somerstep/CARROT) [[HF]](https://huggingface.co/CARROT-LLM-Routing) | 🎓 UMich | 63.87 | 67.21 | $2.06 | 2.68 | 6.77 | 78.63 | 1.50 | 93.60 |
+| 7 | [Chayan](https://huggingface.co/adaptive-classifier/chayan) [[HF]](https://huggingface.co/adaptive-classifier/chayan) | 🎓 Adaptive Classifier | 63.83 | 64.89 | $0.56 | 43.03 | 43.75 | 88.74 | — | — |
+| 8 | [NotDiamond](https://www.notdiamond.ai/) | 💼 NotDiamond | 63.00 | 60.83 | $4.10 | 1.55 | 2.14 | 76.81 | — | — |
+| 9 | [RouterBench‑MLP](https://arxiv.org/pdf/2403.12031) [[GH]](https://github.com/withmartian/routerbench) [[HF]](https://huggingface.co/datasets/withmartian/routerbench) | 🎓 Martian | 57.56 | 61.62 | $4.83 | 13.39 | 24.45 | 83.32 | 90.91 | 96.90 |
+| 10 | [GraphRouter](https://arxiv.org/abs/2410.03834) [[GH]](https://github.com/ulab-uiuc/GraphRouter) | 🎓 UIUC | 57.22 | 57.00 | $0.34 | 4.73 | 38.33 | 74.25 | 2.70 | 97.50 |
+| 11 | [RouterBench‑KNN](https://arxiv.org/pdf/2403.12031) [[GH]](https://github.com/withmartian/routerbench) [[HF]](https://huggingface.co/datasets/withmartian/routerbench) | 🎓 Martian | 55.48 | 58.69 | $4.27 | 13.09 | 25.49 | 78.77 | 1.33 | 51.30 |
+| 12 | [RouteLLM](https://arxiv.org/abs/2406.18665) [[GH]](https://github.com/lm-sys/RouteLLM) [[HF]](https://huggingface.co/routellm) | 🎓 Berkeley | 48.07 | 47.04 | $0.27 | 99.72 | 99.63 | 68.76 | 0.40 | 99.80 |
+| 13 | [RouterDC](https://arxiv.org/abs/2409.19886) [[GH]](https://github.com/shuhao02/RouterDC) | 🎓 SUSTech | 33.75 | 32.01 | $0.07 | 39.84 | 73.00 | 49.05 | 10.75 | 97.60 |
 
 🎓 Open-source  💼 Closed-source