Failing with new Claude 2.0.28 client #139
Description
The cli seems to now be failing when run against the new 2.0.28 Claude client.
copilot-api start --claude-code
Choose
- claude-sonnet-4.5
- claude-haiku-4.5
Proxy starts but gets model errors.
➜ Listening on: http://localhost:4141/ (all interfaces)
<-- GET /usage
--> GET /usage 200 540ms
<-- GET /favicon.ico
--> GET /favicon.ico 404 0ms
<-- GET /usage
--> GET /usage 200 571ms
<-- GET /usage
--> GET /usage 200 640ms
<-- GET /
--> GET / 200 1ms
<-- GET /
--> GET / 200 1ms
<-- GET /v1/models
--> GET /v1/models 200 0ms
<-- POST /v1/messages?beta=true
<-- POST /v1/messages?beta=true
ERROR Failed to create chat completions Response { status: 400, 9:07:12 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': '7ae83f55-d8b5-4bd1-9b14-ea0149169a62',
date: 'Wed, 29 Oct 2025 01:07:12 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9DE7:35F1DA:41FF2D1:4DF69A4:690168C0' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:12 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:12 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 897ms
<-- POST /v1/messages?beta=true
ERROR Failed to create chat completions Response { status: 400, 9:07:13 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': 'a44ad06c-0460-47ab-81e7-9bef19f2401e',
date: 'Wed, 29 Oct 2025 01:07:13 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9DE7:35F1DA:41FF361:4DF6A5C:690168C0' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:13 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:13 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 352ms
--> POST /v1/messages?beta=true 200 2s
<-- POST /v1/messages?beta=true
<-- POST /v1/messages?beta=true
ERROR Failed to create chat completions Response { status: 400, 9:07:53 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': 'cfbe4feb-9f25-45df-b423-e8a267ba7721',
date: 'Wed, 29 Oct 2025 01:07:53 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9D46:2B1072:412CE53:4D2B429:690168E9' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:53 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:53 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 832ms
<-- POST /v1/messages?beta=true
ERROR Failed to create chat completions Response { status: 400, 9:07:54 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': 'b033e613-ac37-4a61-b97d-1f63b9b38642',
date: 'Wed, 29 Oct 2025 01:07:53 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9D46:2B1072:412CEFE:4D2B4ED:690168E9' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:54 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:54 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 284ms
ERROR Failed to create chat completions Response { status: 400, 9:07:54 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': 'c09c749a-f321-4f5f-bf75-f513ff05d341',
date: 'Wed, 29 Oct 2025 01:07:54 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9D73:1FC494:43E01EB:4FCCB0E:690168E9' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:54 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:54 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 1s
<-- POST /v1/messages?beta=true
ERROR Failed to create chat completions Response { status: 400, 9:07:55 am
statusText: 'Bad Request',
headers:
Headers { 'content-security-policy': "default-src 'none'; sandbox",
'content-type': 'text/plain; charset=utf-8',
'strict-transport-security': 'max-age=31536000',
'x-content-type-options': 'nosniff',
'x-request-id': '56623d5e-908e-4669-a3d4-cfe2d3a5ef89',
date: 'Wed, 29 Oct 2025 01:07:55 GMT',
'content-length': '138',
'x-github-backend': 'Kubernetes',
'x-github-request-id': '9D46:2B1072:412CFF8:4D2B636:690168E9' },
body: ReadableStream { locked: false, state: 'readable', supportsBYOB: true },
bodyUsed: false,
ok: false,
redirected: false,
type: 'basic',
url: 'https://api.githubcopilot.com/chat/completions' }
ERROR Error occurred: Failed to create chat completions 9:07:55 am
at createChatCompletions (node_modules/copilot-api/dist/main.js:783:9)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async handleCompletion (node_modules/copilot-api/dist/main.js:1227:19)
at async node_modules/copilot-api/dist/main.js:1265:10
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async cors2 (node_modules/hono/dist/middleware/cors/index.js:79:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async logger2 (node_modules/hono/dist/middleware/logger/index.js:38:5)
at async dispatch (node_modules/hono/dist/compose.js:22:17)
at async node_modules/hono/dist/hono-base.js:201:25
ERROR HTTP error: { error: 9:07:55 am
{ message: 'The requested model is not supported.',
code: 'model_not_supported',
param: 'model',
type: 'invalid_request_error' } }
--> POST /v1/messages?beta=true 400 833ms
Claude Code also shows and error
