chore: sync model pricing from OpenRouter API

providers/nvidia-nim.toml

@@ -16,8 +16,8 @@ display_name = "Nemotron Ultra 253B"
 tier = "frontier"
 context_window = 128000
 max_output_tokens = 4096
-input_cost_per_m = 3.00
-output_cost_per_m = 5.00
+input_cost_per_m = 0.6
+output_cost_per_m = 1.8
 supports_tools = true
 supports_vision = false
 supports_streaming = true
@@ -29,7 +29,7 @@ display_name = "Nemotron Super 49B v1.5"
 tier = "smart"
 context_window = 128000
 max_output_tokens = 4096
-input_cost_per_m = 0.40
+input_cost_per_m = 0.1
 output_cost_per_m = 0.40
 supports_tools = true
 supports_vision = false
@@ -42,8 +42,8 @@ display_name = "Nemotron 70B"
 tier = "balanced"
 context_window = 128000
 max_output_tokens = 4096
-input_cost_per_m = 0.10
-output_cost_per_m = 0.10
+input_cost_per_m = 1.2
+output_cost_per_m = 1.2
 supports_tools = true
 supports_vision = false
 supports_streaming = true
@@ -232,8 +232,8 @@ display_name = "Qwen 3.5 397B MoE"
 tier = "frontier"
 context_window = 128000
 max_output_tokens = 8192
-input_cost_per_m = 0.60
-output_cost_per_m = 2.40
+input_cost_per_m = 0.39
+output_cost_per_m = 2.34
 supports_tools = true
 supports_vision = false
 supports_streaming = true
@@ -258,8 +258,8 @@ display_name = "QWQ 32B"
 tier = "balanced"
 context_window = 128000
 max_output_tokens = 16384
-input_cost_per_m = 0.10
-output_cost_per_m = 0.10
+input_cost_per_m = 0.15
+output_cost_per_m = 0.58
 supports_tools = false
 supports_vision = false
 supports_streaming = true
@@ -273,8 +273,8 @@ display_name = "Gemma 3 27B"
 tier = "balanced"
 context_window = 128000
 max_output_tokens = 4096
-input_cost_per_m = 0.10
-output_cost_per_m = 0.10
+input_cost_per_m = 0.08
+output_cost_per_m = 0.16
 supports_tools = false
 supports_vision = false
 supports_streaming = true