Add comprehensive Anthropic model definitions

Adds complete Claude model catalog including Claude 4, 3.7, 3.5, and 3 variants with pricing, capabilities, and limits based on official Anthropic documentation.

🤖 Generated with [OpenCode](https://opencode.ai)

Co-Authored-By: OpenCode <[email protected]>

Author: thdxr

providers/anthropic/models/claude-3-5-haiku-20241022.toml

@@ -0,0 +1,13 @@
+name = "Claude 3.5 Haiku"
+attachment = true
+reasoning = false
+
+[cost]
+input = 0.80
+output = 4.00
+inputCached = 0.08
+outputCached = 0.08
+
+[limit]
+context = 200_000
+output = 8_192

providers/anthropic/models/claude-3-5-sonnet-20240620.toml

@@ -0,0 +1,13 @@
+name = "Claude 3.5 Sonnet"
+attachment = true
+reasoning = false
+
+[cost]
+input = 3.00
+output = 15.00
+inputCached = 0.30
+outputCached = 0.30
+
+[limit]
+context = 200_000
+output = 8_192

providers/anthropic/models/claude-3-5-sonnet-20241022.toml

@@ -0,0 +1,13 @@
+name = "Claude 3.5 Sonnet v2"
+attachment = true
+reasoning = false
+
+[cost]
+input = 3.00
+output = 15.00
+inputCached = 0.30
+outputCached = 0.30
+
+[limit]
+context = 200_000
+output = 8_192

providers/anthropic/models/claude-3-7-sonnet-20250219.toml

@@ -0,0 +1,13 @@
+name = "Claude 3.7 Sonnet"
+attachment = true
+reasoning = true
+
+[cost]
+input = 3.00
+output = 15.00
+inputCached = 0.30
+outputCached = 0.30
+
+[limit]
+context = 200_000
+output = 64_000

providers/anthropic/models/claude-3-haiku-20240307.toml

@@ -0,0 +1,13 @@
+name = "Claude 3 Haiku"
+attachment = true
+reasoning = false
+
+[cost]
+input = 0.25
+output = 1.25
+inputCached = 0.03
+outputCached = 0.03
+
+[limit]
+context = 200_000
+output = 4_096

providers/anthropic/models/claude-3-opus-20240229.toml

@@ -0,0 +1,13 @@
+name = "Claude 3 Opus"
+attachment = true
+reasoning = false
+
+[cost]
+input = 15.00
+output = 75.00
+inputCached = 1.50
+outputCached = 1.50
+
+[limit]
+context = 200_000
+output = 4_096

providers/anthropic/models/claude-3-sonnet-20240229.toml

@@ -0,0 +1,13 @@
+name = "Claude 3 Sonnet"
+attachment = true
+reasoning = false
+
+[cost]
+input = 3.00
+output = 15.00
+inputCached = 0.30
+outputCached = 0.30
+
+[limit]
+context = 200_000
+output = 4_096

providers/anthropic/models/claude-opus-4-20250514.toml

@@ -0,0 +1,13 @@
+name = "Claude 4 Opus"
+attachment = true
+reasoning = true
+
+[cost]
+input = 15.00
+output = 75.00
+inputCached = 1.50
+outputCached = 1.50
+
+[limit]
+context = 200_000
+output = 32_000