diff --git a/providers/github-copilot/models/claude-fable-5.1.toml b/providers/github-copilot/models/claude-fable-5.1.toml
new file mode 100644
index 00000000000..8cc14c5ec61
--- /dev/null
+++ b/providers/github-copilot/models/claude-fable-5.1.toml
@@ -0,0 +1,11 @@
+# Sources:
+# - https://github.blog/changelog/2026-09-01-claude-fable-5-1-generally-available-in-github-copilot
+# - https://docs.github.com/en/copilot/reference/copilot-billing/models-and-pricing
+base_model = "anthropic/claude-fable-5-1"
+reasoning_options = [{ type = "effort", values = ["low", "medium", "high", "xhigh", "max"] }]
+
+[cost]
+input = 10
+output = 50
+cache_read = 0.25
+cache_write = 12.5
diff --git a/providers/github-copilot/models/claude-opus-4.5.toml b/providers/github-copilot/models/claude-opus-4.5.toml
deleted file mode 100644
index 7d1d43dd490..00000000000
--- a/providers/github-copilot/models/claude-opus-4.5.toml
+++ /dev/null
@@ -1,12 +0,0 @@
-base_model = "anthropic/claude-opus-4-5"
-reasoning_options = [{ type = "budget_tokens", min = 1_024, max = 32_000 }]
-
-[cost]
-input = 5
-output = 25
-cache_read = 0.5
-cache_write = 6.25
-
-[limit]
-input = 168_000
-output = 32_000
diff --git a/providers/github-copilot/models/claude-opus-4.6.toml b/providers/github-copilot/models/claude-opus-4.6.toml
deleted file mode 100644
index fbbf9fd23e2..00000000000
--- a/providers/github-copilot/models/claude-opus-4.6.toml
+++ /dev/null
@@ -1,17 +0,0 @@
-base_model = "anthropic/claude-opus-4-6"
-reasoning_options = [{ type = "effort", values = ["low", "medium", "high", "max"] }]
-
-[cost]
-input = 5
-output = 25
-cache_read = 0.5
-cache_write = 6.25
-
-[limit]
-context = 200_000
-input = 168_000
-output = 32_000
-
-[experimental.modes.fast]
-cost = { input = 30, output = 150, cache_read = 3, cache_write = 37.5 }
-provider = { body = { speed = "fast" }, headers = { anthropic-beta = "fast-mode-2026-02-01" } }
diff --git a/providers/github-copilot/models/claude-sonnet-4.5.toml b/providers/github-copilot/models/claude-sonnet-4.5.toml
deleted file mode 100644
index 096431de139..00000000000
--- a/providers/github-copilot/models/claude-sonnet-4.5.toml
+++ /dev/null
@@ -1,12 +0,0 @@
-base_model = "anthropic/claude-sonnet-4-5"
-reasoning_options = [{ type = "budget_tokens", min = 1_024, max = 32_000 }]
-
-[cost]
-input = 3
-output = 15
-cache_read = 0.3
-cache_write = 3.75
-
-[limit]
-input = 168_000
-output = 32_000
diff --git a/providers/github-copilot/models/claude-sonnet-4.toml b/providers/github-copilot/models/claude-sonnet-4.toml
deleted file mode 100644
index 9e9ade55dea..00000000000
--- a/providers/github-copilot/models/claude-sonnet-4.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-base_model = "anthropic/claude-sonnet-4-0"
-reasoning_options = []
-
-[cost]
-input = 3
-output = 15
-cache_read = 0.3
-cache_write = 3.75
-
-[limit]
-context = 216_000
-input = 128_000
-output = 16_000
diff --git a/providers/github-copilot/models/gemini-3.1-pro-preview.toml b/providers/github-copilot/models/gemini-3.1-pro-preview.toml
deleted file mode 100644
index 01991d61de1..00000000000
--- a/providers/github-copilot/models/gemini-3.1-pro-preview.toml
+++ /dev/null
@@ -1,18 +0,0 @@
-base_model = "google/gemini-3.1-pro-preview"
-reasoning_options = [{ type = "effort", values = ["low", "medium", "high"] }, { type = "budget_tokens", min = 256, max = 32_000 }]
-
-[cost]
-input = 2
-output = 12
-cache_read = 0.2
-
-[[cost.tiers]]
-tier = { type = "context", size = 200_000 }
-input = 4
-output = 18
-cache_read = 0.4
-
-[limit]
-context = 1_000_000
-input = 936_000
-output = 64_000
diff --git a/providers/github-copilot/models/gpt-4.1.toml b/providers/github-copilot/models/gpt-4.1.toml
deleted file mode 100644
index e8b167e7baa..00000000000
--- a/providers/github-copilot/models/gpt-4.1.toml
+++ /dev/null
@@ -1,11 +0,0 @@
-base_model = "openai/gpt-4.1"
-
-[cost]
-input = 2
-output = 8
-cache_read = 0.5
-
-[limit]
-context = 128_000
-input = 128_000
-output = 16_384
diff --git a/providers/github-copilot/models/gpt-5.2-codex.toml b/providers/github-copilot/models/gpt-5.2-codex.toml
deleted file mode 100644
index a03382c9d90..00000000000
--- a/providers/github-copilot/models/gpt-5.2-codex.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-base_model = "openai/gpt-5.2-codex"
-reasoning_options = []
-
-[cost]
-input = 1.75
-output = 14
-cache_read = 0.175
diff --git a/providers/github-copilot/models/gpt-5.2.toml b/providers/github-copilot/models/gpt-5.2.toml
deleted file mode 100644
index 4f38ef3d4dc..00000000000
--- a/providers/github-copilot/models/gpt-5.2.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-base_model = "openai/gpt-5.2"
-reasoning_options = []
-
-[cost]
-input = 1.75
-output = 14
-cache_read = 0.175