images

chat.go

@@ -393,6 +393,7 @@ func RunCompletion(ctx context.Context, response *Stream, request *openrouter.Ch
 		}
 
 		choice := chunk.Choices[0]
+		delta := choice.Delta
 
 		if choice.FinishReason == openrouter.FinishReasonContentFilter {
 			response.Send(ErrorChunk(errors.New("stopped due to content_filter")))
@@ -400,7 +401,7 @@ func RunCompletion(ctx context.Context, response *Stream, request *openrouter.Ch
 			return nil, "", nil
 		}
 
-		calls := choice.Delta.ToolCalls
+		calls := delta.ToolCalls
 
 		if len(calls) > 0 {
 			call := calls[0]
@@ -416,14 +417,20 @@ func RunCompletion(ctx context.Context, response *Stream, request *openrouter.Ch
 			break
 		}
 
-		content := choice.Delta.Content
+		if delta.Content != "" {
+			buf.WriteString(delta.Content)
 
-		if content != "" {
-			buf.WriteString(content)
+			response.Send(TextChunk(delta.Content))
+		} else if delta.Reasoning != nil {
+			response.Send(ReasoningChunk(*delta.Reasoning))
+		} else if len(delta.Images) > 0 {
+			for _, image := range delta.Images {
+				if image.Type != openrouter.StreamImageTypeImageURL {
+					continue
+				}
 
-			response.Send(TextChunk(content))
-		} else if choice.Delta.Reasoning != nil {
-			response.Send(ReasoningChunk(*choice.Delta.Reasoning))
+				response.Send(ImageChunk(image.ImageURL.URL))
+			}
 		}
 	}
 

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/coalaura/plain v0.2.0
 	github.com/go-chi/chi/v5 v5.2.3
 	github.com/goccy/go-yaml v1.18.0
-	github.com/revrost/go-openrouter v0.2.4-0.20250909110314-b8c4ee4c5861
+	github.com/revrost/go-openrouter v0.2.4
 	golang.org/x/crypto v0.42.0
 )
 

go.sum

@@ -28,6 +28,8 @@ github.com/revrost/go-openrouter v0.2.3 h1:ollIaPrgVWgqJyKbJGSX1jFs66eAWJs8Ojrxn
 github.com/revrost/go-openrouter v0.2.3/go.mod h1:ZH/UdpnDEdMmJwq8tbSTX1S5I07ee8KMlEYN4jmegU0=
 github.com/revrost/go-openrouter v0.2.4-0.20250909110314-b8c4ee4c5861 h1:4XU64nIgj6l9659KJx+FOaABvdhM3YrytCgD8XoKu90=
 github.com/revrost/go-openrouter v0.2.4-0.20250909110314-b8c4ee4c5861/go.mod h1:ZH/UdpnDEdMmJwq8tbSTX1S5I07ee8KMlEYN4jmegU0=
+github.com/revrost/go-openrouter v0.2.4 h1:ts9VMZGj8C6688xIgBU9/Tyw2WBl55WfdVP2zG+EV98=
+github.com/revrost/go-openrouter v0.2.4/go.mod h1:ZH/UdpnDEdMmJwq8tbSTX1S5I07ee8KMlEYN4jmegU0=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=

static/css/chat.css

@@ -334,6 +334,9 @@ body:not(.loading) #loading {
 	margin-left: 12px;
 }
 
+.message:not(.has-tool) .tool,
+.message:not(.has-reasoning) .reasoning,
+.message:not(.has-images) .images,
 .message:not(.has-text) .text,
 .message:not(.has-tags) .tags {
 	display: none;
@@ -405,6 +408,18 @@ body:not(.loading) #loading {
 	border: 2px solid #ed8796;
 }
 
+.images .image {
+	display: block;
+	font-size: 0;
+}
+
+.images .image img {
+	max-width: 100%;
+	width: 420px;
+	border-radius: 6px;
+	border: 2px solid #363a4f;
+}
+
 .tool .result pre,
 .reasoning-text pre {
 	background: #1b1d2a;
@@ -433,8 +448,7 @@ body:not(.loading) #loading {
 .message.has-reasoning:not(.has-text):not(.errored) div.text,
 .message.has-tool:not(.has-text):not(.errored) div.text,
 .message.has-files:not(.has-text):not(.errored) div.text,
-.message:not(.has-tool) .tool,
-.message:not(.has-reasoning) .reasoning {
+.message.has-images:not(.has-text):not(.errored) div.text {
 	display: none;
 }
 

static/js/chat.js

@@ -137,6 +137,7 @@
 		#role;
 		#reasoning;
 		#text;
+		#images = [];
 		#files = [];
 
 		#tool;
@@ -158,10 +159,11 @@
 		#_reasoning;
 		#_text;
 		#_edit;
+		#_images;
 		#_tool;
 		#_statistics;
 
-		constructor(role, reasoning, text, files = [], collapsed = false) {
+		constructor(role, reasoning, text, tool = false, files = [], images = [], tags = [], collapsed = false) {
 			this.#id = uid();
 			this.#role = role;
 			this.#reasoning = reasoning || "";
@@ -172,15 +174,25 @@
 			this.#build(collapsed);
 			this.#render();
 
+			if (tool) {
+				this.setTool(tool);
+			}
+
 			for (const file of files) {
 				this.addFile(file);
 			}
 
+			for (const image of images) {
+				this.addImage(image);
+			}
+
+			for (const tag of tags) {
+				this.addTag(tag);
+			}
+
 			messages.push(this);
 
-			if (this.#reasoning || this.#text) {
-				this.#save();
-			}
+			this.#save();
 		}
 
 		#build(collapsed) {
@@ -273,6 +285,11 @@
 				this.updateEditHeight();
 			});
 
+			// message images
+			this.#_images = make("div", "images");
+
+			_body.appendChild(this.#_images);
+
 			// message tool
 			this.#_tool = make("div", "tool");
 
@@ -514,6 +531,38 @@
 				this.#_message.classList.toggle("has-tags", this.#tags.length > 0);
 			}
 
+			if (!only || only === "images") {
+				for (let x = 0; x < this.#images.length; x++) {
+					if (this.#_images.querySelector(`.i-${x}`)) {
+						continue;
+					}
+
+					const image = this.#images[x],
+						blob = dataBlob(image),
+						url = URL.createObjectURL(blob);
+
+					const _link = make("a", "image", `i-${x}`);
+
+					_link.download = `image-${x + 1}`;
+					_link.target = "_blank";
+					_link.href = url;
+
+					this.#_images.appendChild(_link);
+
+					const _image = make("img");
+
+					_image.src = url;
+
+					_link.appendChild(_image);
+				}
+
+				this.#_message.classList.toggle("has-images", !!this.#images.length);
+
+				noScroll || scroll();
+
+				updateScrollButton();
+			}
+
 			if (!only || only === "tool") {
 				if (this.#tool) {
 					const { name, args, result, cost, invalid } = this.#tool;
@@ -650,6 +699,10 @@
 				data.reasoning = this.#reasoning;
 			}
 
+			if (this.#images.length && full) {
+				data.images = this.#images;
+			}
+
 			if (this.#error && full) {
 				data.error = this.#error;
 			}
@@ -666,7 +719,7 @@
 				data.collapsed = true;
 			}
 
-			if (!data.files?.length && !data.reasoning && !data.text && !data.tool) {
+			if (!data.images?.length && !data.files?.length && !data.reasoning && !data.text && !data.tool) {
 				return false;
 			}
 
@@ -790,6 +843,13 @@
 			this.#save();
 		}
 
+		addImage(image) {
+			this.#images.push(image);
+
+			this.#render("images");
+			this.#save();
+		}
+
 		addReasoning(chunk) {
 			this.#reasoning += chunk;
 
@@ -995,7 +1055,7 @@
 			$temperature.classList.remove("invalid");
 		}
 
-		let iterations = parseInt($iterations.value);
+		let iterations = parseInt($iterations.value, 10);
 
 		if (Number.isNaN(iterations) || iterations < 1 || iterations > 50) {
 			iterations = 3;
@@ -1006,7 +1066,7 @@
 
 		const effort = $reasoningEffort.value;
 
-		let tokens = parseInt($reasoningTokens.value);
+		let tokens = parseInt($reasoningTokens.value, 10);
 
 		if (!effort && (Number.isNaN(tokens) || tokens <= 0 || tokens > 1024 * 1024)) {
 			tokens = 1024;
@@ -1146,6 +1206,10 @@
 							finish();
 						}
 
+						break;
+					case "image":
+						message.addImage(chunk.text);
+
 						break;
 					case "reason":
 						message.setState("reasoning");
@@ -1354,22 +1418,12 @@
 		}
 
 		loadValue("messages", []).forEach(message => {
-			const obj = new Message(message.role, message.reasoning, message.text, message.files || [], message.collapsed);
+			const obj = new Message(message.role, message.reasoning, message.text, message.tool, message.files || [], message.images || [], message.tags || [], message.collapsed);
 
 			if (message.error) {
 				obj.showError(message.error);
 			}
 
-			if (message.tags) {
-				message.tags.forEach(tag => {
-					obj.addTag(tag);
-				});
-			}
-
-			if (message.tool) {
-				obj.setTool(message.tool);
-			}
-
 			if (message.statistics) {
 				obj.setStatistics(message.statistics);
 			}
@@ -1689,7 +1743,7 @@
 			},
 			json: jsonMode,
 			search: searchTool,
-			messages: messages.map(message => message.getData()).filter(Boolean),
+			messages: messages.map(message => message.getData(true)).filter(Boolean),
 		});
 
 		download("chat.json", "application/json", data);

static/js/lib.js

@@ -86,6 +86,36 @@ function formatMilliseconds(ms) {
 	return `${Math.round(ms / 1000)}s`;
 }
 
+function dataBlob(dataUrl) {
+	const [header, data] = dataUrl.split(","),
+		mime = header.match(/data:(.*?)(;|$)/)[1];
+
+	let blob;
+
+	if (header.includes(";base64")) {
+		const bytes = atob(data),
+			numbers = new Array(bytes.length);
+
+		for (let i = 0; i < bytes.length; i++) {
+			numbers[i] = bytes.charCodeAt(i);
+		}
+
+		const byteArray = new Uint8Array(numbers);
+
+		blob = new Blob([byteArray], {
+			type: mime,
+		});
+	} else {
+		const text = decodeURIComponent(data);
+
+		blob = new Blob([text], {
+			type: mime,
+		});
+	}
+
+	return blob;
+}
+
 function fixed(num, decimals = 0) {
 	return num.toFixed(decimals).replace(/\.?0+$/m, "");
 }

stream.go

@@ -79,6 +79,13 @@ func TextChunk(text string) Chunk {
 	}
 }
 
+func ImageChunk(image string) Chunk {
+	return Chunk{
+		Type: "image",
+		Text: image,
+	}
+}
+
 func ToolChunk(tool *ToolCall) Chunk {
 	return Chunk{
 		Type: "tool",