Skip to content

feat(anthropic): add Claude Opus 5 support #11255

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Hunter Lovell (hntrl) merged 2 commits into from
Jul 24, 2026
Merged

feat(anthropic): add Claude Opus 5 support #11255

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e1ec814
feat(anthropic): add Claude Opus 5 support
hntrl Jul 24, 2026
10a65bf
Create upset-lies-wink.md
hntrl Jul 24, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions .changeset/upset-lies-wink.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@langchain/anthropic": patch
---

feat(anthropic): add claude-opus-5 support
2 changes: 1 addition & 1 deletion libs/providers/langchain-anthropic/package.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
"typegen:profiles": "pnpm --filter @langchain/model-profiles make --config profiles.toml"
},
"dependencies": {
"@anthropic-ai/sdk": "^0.103.0",
"@anthropic-ai/sdk": "^0.115.0",
"zod": "^3.25.76 || ^4"
},
"peerDependencies": {
Expand Down
2 changes: 2 additions & 0 deletions libs/providers/langchain-anthropic/src/chat_models.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ const MODEL_DEFAULT_MAX_OUTPUT_TOKENS: Partial<
Record<Anthropic.Model, number>
> = {
// Claude 5 — 128K max output
"claude-opus-5": 16384,
"claude-fable-5": 16384,
"claude-mythos-5": 16384,
"claude-mythos-preview": 16384,
Expand Down Expand Up @@ -1281,6 +1282,7 @@ export class ChatAnthropicMessages<
validateInvocationParamCompatibility({
model: this.model,
thinking: this.thinking,
outputConfig: mergedOutputConfig,
topK: this.topK,
topP: this.topP,
temperature: this.temperature,
Expand Down
192 changes: 28 additions & 164 deletions libs/providers/langchain-anthropic/src/profiles.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,30 +3,13 @@
*/
import type { ModelProfile } from "@langchain/core/language_models/profile";
const PROFILES: Record<string, ModelProfile> = {
"claude-3-sonnet-20240229": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 4096,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-haiku-4-5": {
maxInputTokens: 200000,
"claude-sonnet-4-6": {
Comment thread
open-swe[bot] marked this conversation as resolved.
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
maxOutputTokens: 128000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -37,7 +20,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-5-20251101": {
"claude-haiku-4-5": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
Expand All @@ -54,81 +37,13 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-opus-20240229": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 4096,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-5-haiku-20241022": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 8192,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-5-sonnet-20241022": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 8192,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-sonnet-4-6": {
"claude-opus-4-6": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-0": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 32000,
maxOutputTokens: 128000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -139,7 +54,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-7": {
"claude-fable-5": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
Expand All @@ -156,30 +71,13 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-haiku-20240307": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 4096,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-sonnet-4-5-20250929": {
maxInputTokens: 200000,
"claude-opus-4-8": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
maxOutputTokens: 128000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -190,23 +88,6 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-5-haiku-latest": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 8192,
reasoningOutput: false,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-1": {
maxInputTokens: 200000,
imageInputs: true,
Expand All @@ -224,8 +105,8 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-sonnet-4-0": {
maxInputTokens: 200000,
"claude-sonnet-4-5": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
Expand All @@ -241,14 +122,14 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-5-sonnet-20240620": {
maxInputTokens: 200000,
"claude-sonnet-4-5-20250929": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 8192,
reasoningOutput: false,
maxOutputTokens: 64000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
Expand All @@ -258,7 +139,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-5": {
"claude-opus-4-5-20251101": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
Expand All @@ -275,13 +156,13 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-1-20250805": {
"claude-haiku-4-5-20251001": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 32000,
maxOutputTokens: 64000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -292,13 +173,13 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-haiku-4-5-20251001": {
maxInputTokens: 200000,
"claude-opus-4-7": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
maxOutputTokens: 128000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -309,7 +190,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-sonnet-4-20250514": {
"claude-opus-4-5": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
Expand All @@ -326,7 +207,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-6": {
"claude-sonnet-5": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
Expand All @@ -343,30 +224,13 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-3-7-sonnet-20250219": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
videoOutputs: false,
toolCalling: true,
structuredOutput: false,
imageUrlInputs: true,
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-sonnet-4-5": {
maxInputTokens: 200000,
"claude-opus-5": {
maxInputTokens: 1000000,
imageInputs: true,
audioInputs: false,
pdfInputs: true,
videoInputs: false,
maxOutputTokens: 64000,
maxOutputTokens: 128000,
reasoningOutput: true,
imageOutputs: false,
audioOutputs: false,
Expand All @@ -377,7 +241,7 @@ const PROFILES: Record<string, ModelProfile> = {
pdfToolMessage: true,
imageToolMessage: true,
},
"claude-opus-4-20250514": {
"claude-opus-4-1-20250805": {
maxInputTokens: 200000,
imageInputs: true,
audioInputs: false,
Expand Down
13 changes: 13 additions & 0 deletions libs/providers/langchain-anthropic/src/tests/chat_models.int.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1726,6 +1726,19 @@ describe("Anthropic Reasoning with contentBlocks", () => {
}, 60000);
});

describe("Opus 5", () => {
test("invokes with adaptive thinking enabled by default", async () => {
const model = new ChatAnthropic({
model: "claude-opus-5",
maxTokens: 1024,
outputConfig: { effort: "low" },
});

const result = await model.invoke("Reply with the word 'ready'.");
expect(result.content).toBeDefined();
}, 60000);
});

describe("Opus 4.6", () => {
const opus46Model = "claude-opus-4-6";

Expand Down
Loading