update model pricing table (Add: GPT 5.5, Remove Opus 4.6 fast) (#60976)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: myarb <11952755+myarb@users.noreply.github.com>

Author: 3 people

content/copilot/reference/copilot-billing/models-and-pricing.md

@@ -57,8 +57,6 @@ Anthropic models include a cache write cost in addition to cached input.
 | {{ entry.model }} | {{ entry.release_status }} | {{ entry.category }} | {{ entry.input }} | {{ entry.cached_input }} | {{ entry.cache_write }} | {{ entry.output }} |
 | {% endif %}{% endfor %} |
 
-[^4]: {% data variables.copilot.copilot_claude_opus_46_fast %} is billed at 6x standard {% data variables.copilot.copilot_claude_opus_46 %} rates.
-
 ### Google
 
 | Model | Release status | Category | Input | Cached input | Output |

data/tables/copilot/models-and-pricing.yml

@@ -81,6 +81,14 @@
   cached_input: $0.02
   output: $1.25
 
+- model: GPT-5.5
+  provider: openai
+  release_status: GA
+  category: Powerful
+  input: $5.00
+  cached_input: $0.50
+  output: $30.00
+
 # Anthropic
 - model: Claude Haiku 4.5
   provider: anthropic
@@ -145,16 +153,6 @@
   output: $25.00
   cache_write: $6.25
 
-- model: 'Claude Opus 4.6 (fast mode)[^4]'
-  provider: anthropic
-  release_status: Public preview
-  category: Powerful
-  input: $30.00
-  cached_input: $3.00
-  output: $150.00
-  cache_write: $37.50
-  notes: 6x standard Opus 4.6 rates
-
 # Google
 - model: 'Gemini 2.5 Pro[^5]'
   provider: google