diff --git a/plugins/spire/agents/adept.md b/plugins/spire/agents/adept.md
index 087ddb2..54bc02a 100644
--- a/plugins/spire/agents/adept.md
+++ b/plugins/spire/agents/adept.md
@@ -7,7 +7,7 @@ description: >
   in a domain folder (index, handoff, knowledge docs, journal), and answers
   consultations with informed priors. Long-lived within a session — consulted
   via SendMessage.
-model: claude-opus-4-6[1m]
+model: claude-opus-5-5[1m]
 memory: project
 skills:
   - spire:workpad
diff --git a/plugins/spire/agents/igor.md b/plugins/spire/agents/igor.md
index e08aac2..b3713e2 100644
--- a/plugins/spire/agents/igor.md
+++ b/plugins/spire/agents/igor.md
@@ -6,7 +6,7 @@ description: >
   model tier — including athanor for multi-agent jobs.
   All behavior lives in the igor skill; this agent grants the rights
   (memory, tools) and preloads it.
-model: claude-opus-4-6[1m]
+model: claude-opus-5-5[1m]
 memory: project
 skills:
   - spire:project
diff --git a/plugins/spire/skills/implementation/references/spawning-claude-code.md b/plugins/spire/skills/implementation/references/spawning-claude-code.md
index 854e263..e3557f7 100644
--- a/plugins/spire/skills/implementation/references/spawning-claude-code.md
+++ b/plugins/spire/skills/implementation/references/spawning-claude-code.md
@@ -51,7 +51,7 @@ The harness changes. When a claim fails, fix it here with a new date.
 | A 4.6 Igor passing `model: "opus"` to the then 4.6-pinned Athanor got a 4.6 run (the dirigent end review that passed with zero findings). | observed 2026-10-05 (user's attribution; the dirigent report recorded the model as unknown). Consistent with both the alias following the caller and the pin holding, so it is not evidence for alias-over-pin. The 184/184 row and the schema are. |
 | What the `opus` alias resolves to (the caller's model, a session default, or the newest Opus). | unknown. Check the stamped id of every plan, attack and review instead of relying on it. |
 | Every agent sees its exact model id in its system prompt. | observed 2026-10-05 for general-purpose agents (prompt shows `claude-opus-5-5`); not checked for plugin agents with their own bodies |
-| Context window of the bare `claude-opus-5-5` pin versus a `[1m]` suffix (other Spire pins carry `[1m]`). | resolved 2026-10-05: Athanor and Zathras repinned to `claude-opus-5-5[1m]` (user decision), matching other Spire pins; the ~600k guesstimate in `models.md` assumes the larger window |
+| Context window of the bare `claude-opus-5-5` pin versus a `[1m]` suffix (other Spire pins carry `[1m]`). | resolved 2026-10-05: all Opus-pinned Spire agents (igor, adept, athanor, zathras) pinned to `claude-opus-5-5[1m]` (user decision; Pinky, when it exists, stays 4.6); the ~600k guesstimate in `models.md` assumes the larger window |
 
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