Claude Haiku 5.5 model release (#63734)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 21c5f1b6-a7d3-4f52-973a-36d73d3130c0

Author: sunbrye

content/admin/data-residency/github-copilot-with-data-residency.md

@@ -66,6 +66,7 @@ The models available for {% data variables.product.prodname_copilot_short %} var
 * {% data variables.copilot.copilot_gpt_56_terra %}
 * {% data variables.copilot.copilot_gpt_6_astra %}
 * {% data variables.copilot.copilot_claude_haiku_45 %}
+* {% data variables.copilot.copilot_claude_haiku_55 %}
 * {% data variables.copilot.copilot_claude_opus_48 %}
 * {% data variables.copilot.copilot_claude_opus_5 %}
 * {% data variables.copilot.copilot_claude_opus_55 %}

content/copilot/reference/ai-models/model-hosting.md

@@ -45,6 +45,7 @@ All input requests and output responses processed by {% data variables.product.p
 Used for:
 
 * {% data variables.copilot.copilot_claude_haiku_45 %}
+* {% data variables.copilot.copilot_claude_haiku_55 %}
 * {% data variables.copilot.copilot_claude_sonnet_46 %}
 * {% data variables.copilot.copilot_claude_sonnet_5 %}
 * {% data variables.copilot.copilot_claude_sonnet_55 %}

content/copilot/reference/ai-models/supported-models.md

@@ -84,6 +84,7 @@ Choosing a larger context window or higher reasoning will impact {% data variabl
 | {% data variables.copilot.copilot_claude_opus_55 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
 | {% data variables.copilot.copilot_claude_sonnet_5 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
 | {% data variables.copilot.copilot_claude_sonnet_55 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
+| {% data variables.copilot.copilot_claude_haiku_55 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
 | {% data variables.copilot.copilot_claude_opus_48_fast %} | {% octicon "x" aria-label="Not supported" %} | {% octicon "check" aria-label="Supported" %} |
 | {% data variables.copilot.copilot_claude_fable_5 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
 | {% data variables.copilot.copilot_claude_fable_51 %} | {% octicon "check" aria-label="Supported" %} | {% octicon "check" aria-label="Supported" %} |
@@ -144,6 +145,7 @@ Some {% data variables.product.prodname_copilot_short %} models require minimum
 | {% data variables.copilot.copilot_claude_opus_55 %}      | TBD | `17.14.6` | TBD | TBD | TBD |
 | {% data variables.copilot.copilot_claude_sonnet_5 %}  | `v1.124` | `17.14.6` | TBD | TBD | TBD |
 | {% data variables.copilot.copilot_claude_sonnet_55 %} | TBD | `17.14.6` | TBD | TBD | TBD |
+| {% data variables.copilot.copilot_claude_haiku_55 %}  | TBD | TBD | TBD | TBD | TBD |
 | {% data variables.copilot.copilot_claude_fable_5 %}      | `v1.124` | `17.14.6`                    | TBD | TBD | TBD |
 | {% data variables.copilot.copilot_claude_fable_51 %}    | TBD | TBD                    | TBD | TBD | TBD |
 | {% data variables.copilot.copilot_kimi_k3 %}     | `v1.131` | TBD            | TBD | TBD | TBD |

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

@@ -43,12 +43,14 @@ All prices are **per 1 million tokens**.
 
 ### Anthropic
 
+{% data reusables.copilot.extended-context-pricing %}
+
 Anthropic models include a cache write cost in addition to cached input.
 
-| Model | Release status | Category | Input | Cached input | Cache write | Output |
-| --- | --- | --- | ---: | ---: | ---: | ---: |
+| Model | Release status | Category | Tier | Threshold (input tokens) | Input | Cached input | Cache write | Output |
+| --- | --- | --- | --- | --- | ---: | ---: | ---: | ---: |
 | {% for entry in tables.copilot.models-and-pricing %}{% if entry.provider == "anthropic" %} |
-| {{ entry.model }} | {{ entry.release_status }} | {{ entry.category }} | {{ entry.input }} | {{ entry.cached_input }} | {{ entry.cache_write }} | {{ entry.output }} |
+| {{ entry.model }} | {{ entry.release_status }} | {{ entry.category }} | {% if entry.tier %}{{ entry.tier }}{% else %}Default{% endif %} | {% if entry.threshold %}{{ entry.threshold }}{% else %}Not applicable{% endif %} | {{ entry.input }} | {{ entry.cached_input }} | {{ entry.cache_write }} | {{ entry.output }} |
 | {% endif %}{% endfor %} |
 
 ### Google

data/reusables/copilot/copilot-cloud-agent-non-auto-models.md

@@ -2,6 +2,7 @@
 * {% data variables.copilot.copilot_claude_opus_55 %}
 * {% data variables.copilot.copilot_claude_sonnet_55 %}
 * {% data variables.copilot.copilot_claude_haiku_45 %}
+* {% data variables.copilot.copilot_claude_haiku_55 %}
 * {% data variables.copilot.copilot_gemini_37_flash %}
 * {% data variables.copilot.copilot_gemini_38_flash %}
 * {% data variables.copilot.copilot_gpt_54_mini %}

data/reusables/copilot/model-compliance/us-models.md

@@ -5,6 +5,7 @@
 * GPT-5.2
 * GPT-5.3-Codex
 * Claude Haiku 4.5
+* Claude Haiku 5.5
 * Claude Sonnet 5
 * Claude Sonnet 5.5
 * Claude Opus 4.8

data/tables/copilot/model-comparison.yml

@@ -84,6 +84,11 @@
   excels_at: Fast, reliable answers to lightweight coding questions
   further_reading: '[Claude Haiku 4.5 model card](https://assets.anthropic.com/m/99128ddd009bdcb/Claude-Haiku-4-5-System-Card.pdf)'
 
+- name: Claude Haiku 5.5
+  task_area: Fast help with simple or repetitive tasks
+  excels_at: Fast, reliable answers to lightweight coding questions
+  further_reading: '[Claude Haiku 5.5 model card](https://www-cdn.anthropic.com/e1080d6bf5ae2018ea3c2f414064be03232f5be5/Claude%20Haiku%205.5%20System%20Card.pdf)'
+
 - name: Claude Opus 4.8
   task_area: Deep reasoning and debugging
   excels_at: Complex problem-solving challenges, sophisticated reasoning

data/tables/copilot/model-release-status.yml

@@ -81,6 +81,10 @@
   provider: 'Anthropic'
   release_status: 'GA'
 
+- name: 'Claude Haiku 5.5'
+  provider: 'Anthropic'
+  release_status: 'GA'
+
 - name: 'Claude Opus 4.8'
   provider: 'Anthropic'
   release_status: 'GA'

data/tables/copilot/model-supported-clients.yml

@@ -23,6 +23,15 @@
   xcode: true
   jetbrains: true
 
+- name: Claude Haiku 5.5
+  dotcom: true
+  cli: true
+  vscode: true
+  vs: true
+  eclipse: true
+  xcode: true
+  jetbrains: true
+
 - name: Claude Opus 4.8
   dotcom: true
   cli: true

data/tables/copilot/model-supported-plans.yml

@@ -19,6 +19,13 @@
   business: true
   enterprise: true
 
+- name: Claude Haiku 5.5
+  pro: true
+  pro_plus: true
+  max: true
+  business: true
+  enterprise: true
+
 - name: Claude Opus 4.8
   pro: false
   pro_plus: true