diff --git a/providers/coderplan/logo.svg b/providers/coderplan/logo.svg
new file mode 100644
index 00000000000..d644b74abd6
--- /dev/null
+++ b/providers/coderplan/logo.svg
@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120" fill="none">
+  <rect x="16" y="18" width="88" height="10" rx="5" fill="currentColor"/>
+  <circle cx="26" cy="23" r="3" fill="currentColor"/>
+  <circle cx="36" cy="23" r="3" fill="currentColor"/>
+  <circle cx="46" cy="23" r="3" fill="currentColor"/>
+  <text x="30" y="76" font-family="'SF Mono','Fira Code','Cascadia Code',monospace" font-size="42" font-weight="700" fill="currentColor">$</text>
+  <rect x="68" y="64" width="20" height="5" rx="2.5" fill="currentColor"/>
+</svg>
\ No newline at end of file
diff --git a/providers/coderplan/models/anthropic/claude-haiku-4-5.toml b/providers/coderplan/models/anthropic/claude-haiku-4-5.toml
new file mode 100644
index 00000000000..ca2a9fdd6f4
--- /dev/null
+++ b/providers/coderplan/models/anthropic/claude-haiku-4-5.toml
@@ -0,0 +1,11 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+base_model = "anthropic/claude-haiku-4-5"
+
+[[reasoning_options]]
+type = "budget_tokens"
+min = 1_024
+
+[cost]
+input = 0.07
+cache_read = 0.007
+output = 0.35
diff --git a/providers/coderplan/models/anthropic/claude-opus-4-7.toml b/providers/coderplan/models/anthropic/claude-opus-4-7.toml
new file mode 100644
index 00000000000..139d4d39228
--- /dev/null
+++ b/providers/coderplan/models/anthropic/claude-opus-4-7.toml
@@ -0,0 +1,10 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+base_model = "anthropic/claude-opus-4-7"
+
+[[reasoning_options]]
+type = "effort"
+values = ["low", "medium", "high", "xhigh", "max"]
+
+[cost]
+input = 0.35
+output = 1.75
diff --git a/providers/coderplan/models/anthropic/claude-sonnet-4-6.toml b/providers/coderplan/models/anthropic/claude-sonnet-4-6.toml
new file mode 100644
index 00000000000..7595a40ef0f
--- /dev/null
+++ b/providers/coderplan/models/anthropic/claude-sonnet-4-6.toml
@@ -0,0 +1,15 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+base_model = "anthropic/claude-sonnet-4-6"
+
+[[reasoning_options]]
+type = "effort"
+values = ["low", "medium", "high", "max"]
+
+[[reasoning_options]]
+type = "budget_tokens"
+min = 1_024
+
+[cost]
+input = 0.21
+cache_read = 0.014
+output = 1.05
diff --git a/providers/coderplan/models/deepseek/deepseek-v4-flash.toml b/providers/coderplan/models/deepseek/deepseek-v4-flash.toml
new file mode 100644
index 00000000000..e73f1d2519d
--- /dev/null
+++ b/providers/coderplan/models/deepseek/deepseek-v4-flash.toml
@@ -0,0 +1,18 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+# Reasoning toggle wire path: OpenAI-compatible `chat.completions` → `thinking.type = enabled|disabled` (DeepSeek-style passthrough)
+base_model = "deepseek/deepseek-v4-flash"
+
+[[reasoning_options]]
+type = "toggle"
+
+[[reasoning_options]]
+type = "effort"
+values = ["low", "high", "max"]
+
+[interleaved]
+field = "reasoning_content"
+
+[cost]
+input = 0.34
+cache_read = 0.0112
+output = 1.01
diff --git a/providers/coderplan/models/deepseek/deepseek-v4-pro.toml b/providers/coderplan/models/deepseek/deepseek-v4-pro.toml
new file mode 100644
index 00000000000..c7ed33374bb
--- /dev/null
+++ b/providers/coderplan/models/deepseek/deepseek-v4-pro.toml
@@ -0,0 +1,18 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+# Reasoning toggle wire path: OpenAI-compatible `chat.completions` → `thinking.type = enabled|disabled` (DeepSeek-style passthrough)
+base_model = "deepseek/deepseek-v4-pro"
+
+[[reasoning_options]]
+type = "toggle"
+
+[[reasoning_options]]
+type = "effort"
+values = ["high", "max"]
+
+[interleaved]
+field = "reasoning_content"
+
+[cost]
+input = 1.01
+cache_read = 0.0336
+output = 3.02
diff --git a/providers/coderplan/models/openai/gpt-5.4.toml b/providers/coderplan/models/openai/gpt-5.4.toml
new file mode 100644
index 00000000000..1aa57009f60
--- /dev/null
+++ b/providers/coderplan/models/openai/gpt-5.4.toml
@@ -0,0 +1,9 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+base_model = "openai/gpt-5.4"
+
+reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "xhigh"] }]
+
+[cost]
+input = 0.12
+cache_read = 0.0126
+output = 0.73
diff --git a/providers/coderplan/models/openai/gpt-5.5.toml b/providers/coderplan/models/openai/gpt-5.5.toml
new file mode 100644
index 00000000000..b04e7bd9ae6
--- /dev/null
+++ b/providers/coderplan/models/openai/gpt-5.5.toml
@@ -0,0 +1,9 @@
+# Pricing: converted from CNY catalog (https://coderplan.ai/pricing, 2026-08-18) at 1 USD = 7.15 CNY
+base_model = "openai/gpt-5.5"
+
+reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "xhigh"] }]
+
+[cost]
+input = 0.25
+cache_read = 0.025
+output = 1.47
diff --git a/providers/coderplan/provider.toml b/providers/coderplan/provider.toml
new file mode 100644
index 00000000000..bcc29da6af5
--- /dev/null
+++ b/providers/coderplan/provider.toml
@@ -0,0 +1,5 @@
+name = "CoderPlan"
+env = ["CODERPLAN_API_KEY"]
+npm = "@ai-sdk/openai-compatible"
+api = "https://api.coderplan.ai/v1"
+doc = "https://coderplan.ai/docs/setup"