diff --git a/include/ircd/gpt/pipe/model.h b/include/ircd/gpt/pipe/model.h
index 7365839d2..1bdf39eb8 100644
--- a/include/ircd/gpt/pipe/model.h
+++ b/include/ircd/gpt/pipe/model.h
@@ -93,6 +93,22 @@ struct ircd::gpt::pipe::model::block
 	block(gpt::model::block &, const size_t);
 };
 
+struct ircd::gpt::pipe::model::language
+{
+	cl::data
+	master[3];
+
+	matrix
+	pos,
+	token;
+
+	language(cl::data *, const off_t, const gpt::model::embed &);
+	language(cl::data *, const off_t, gpt::model::embed &);
+	language(const gpt::model::embed &);
+	language( gpt::model::embed &);
+	~language() noexcept;
+};
+
 struct ircd::gpt::pipe::model::decoder
 {
 	// Combined-layer memory roots
@@ -110,17 +126,3 @@ struct ircd::gpt::pipe::model::decoder
 	decoder(gpt::model::decoder &);
 	~decoder() noexcept;
 };
-
-struct ircd::gpt::pipe::model::language
-{
-	cl::data
-	master[3];
-
-	matrix
-	pos,
-	token;
-
-	language(const gpt::model::embed &);
-	language(gpt::model::embed &);
-	~language() noexcept;
-};
diff --git a/ircd/gpt_pipe.cc b/ircd/gpt_pipe.cc
index c8bc6fd83..599e0c496 100644
--- a/ircd/gpt_pipe.cc
+++ b/ircd/gpt_pipe.cc
@@ -696,70 +696,6 @@ noexcept
 {
 }
 
-//
-// pipe::model::language
-//
-
-ircd::gpt::pipe::model::language::language(gpt::model::embed &embed)
-:master
-{
-	// params
-	{
-		sizeof(embed), mutable_buffer
-		{
-			reinterpret_cast<char *>(&embed),
-			sizeof(embed),
-		}
-	},
-
-	// first moment
-	{
-		sizeof(embed), mutable_buffer{},
-	},
-
-	// second moment
-	{
-		sizeof(embed), mutable_buffer{},
-	},
-}
-,pos
-{
-	master, 0, mutable_buffer{embed.pos}
-}
-,token
-{
-	master, sizeof(embed.pos), mutable_buffer{embed.token}
-}
-{
-}
-
-ircd::gpt::pipe::model::language::language(const gpt::model::embed &embed)
-:master
-{
-	{
-		sizeof(embed), const_buffer
-		{
-			reinterpret_cast<const char *>(&embed),
-			sizeof(embed),
-		}
-	},
-}
-,pos
-{
-	master, 0, const_buffer{embed.pos}
-}
-,token
-{
-	master, sizeof(embed.pos), const_buffer{embed.token}
-}
-{
-}
-
-ircd::gpt::pipe::model::language::~language()
-noexcept
-{
-}
-
 //
 // pipe::model::decoder
 //
@@ -855,6 +791,98 @@ noexcept
 {
 }
 
+//
+// pipe::model::language
+//
+
+ircd::gpt::pipe::model::language::language(gpt::model::embed &embed)
+:master
+{
+	// params
+	{
+		sizeof(embed), mutable_buffer
+		{
+			reinterpret_cast<char *>(&embed),
+			sizeof(embed),
+		}
+	},
+
+	// first moment
+	{
+		sizeof(embed), mutable_buffer{},
+	},
+
+	// second moment
+	{
+		sizeof(embed), mutable_buffer{},
+	},
+}
+,pos
+{
+	master, 0, mutable_buffer{embed.pos}
+}
+,token
+{
+	master, sizeof(embed.pos), mutable_buffer{embed.token}
+}
+{
+}
+
+ircd::gpt::pipe::model::language::language(const gpt::model::embed &embed)
+:master
+{
+	{
+		sizeof(embed), const_buffer
+		{
+			reinterpret_cast<const char *>(&embed),
+			sizeof(embed),
+		}
+	},
+}
+,pos
+{
+	master, 0, const_buffer{embed.pos}
+}
+,token
+{
+	master, sizeof(embed.pos), const_buffer{embed.token}
+}
+{
+}
+
+ircd::gpt::pipe::model::language::language(cl::data *const master,
+                                           const off_t offset,
+                                           gpt::model::embed &embed)
+:pos
+{
+	master, offset, mutable_buffer{embed.pos}
+}
+,token
+{
+	master, offset + off_t(sizeof(embed.pos)), mutable_buffer{embed.token}
+}
+{
+}
+
+ircd::gpt::pipe::model::language::language(cl::data *const master,
+                                           const off_t offset,
+                                           const gpt::model::embed &embed)
+:pos
+{
+	master, offset, const_buffer{embed.pos}
+}
+,token
+{
+	master, offset + off_t(sizeof(embed.pos)), const_buffer{embed.token}
+}
+{
+}
+
+ircd::gpt::pipe::model::language::~language()
+noexcept
+{
+}
+
 //
 // pipe::model::block
 //