There's an issue with the selected model (claude-opus-5[1m]). It may not exist or you may not have access to it. Run /model to pick a different model.
Status Open
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Jul 25, 2026
Bug Description
unable to use Opus 5 model after updating to the latest v2.1.220 of claude code. I cant't use the Opus 5 1m context either in my account. After picking them and sending a prompt I get an error There's an issue with the selected model (claude-opus-5[1m]). It may not exist or you
may not have access to it. Run /model to pick a different model.
Environment Info
- Platform: darwin
- Terminal: ghostty
- Version: 2.1.220
- Feedback ID: c24c1052-bde3-4840-99ee-58e78aebe23d
Errors
[{"error":"Error: 404 {\"error\":{\"message\":\"no route found for model \\\"claude-opus-5\\\" for user \\\"mjoln1r.flare@gmail.com\\\"\"},\"source\":\"aperture\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:49947)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-07-25T05:49:03.952Z"},{"error":"Error: 404 {\"error\":{\"message\":\"no route found for model \\\"claude-opus-5\\\" for user \\\"mjoln1r.flare@gmail.com\\\"\"},\"source\":\"aperture\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:49947)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-07-25T05:49:04.177Z"},{"error":"Error: 404 {\"error\":{\"message\":\"no route found for model \\\"claude-opus-5\\\" for user \\\"mjoln1r.flare@gmail.com\\\"\"},\"source\":\"aperture\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:49947)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-07-25T05:49:27.145Z"},{"error":"Error: 404 {\"error\":{\"message\":\"no route found for model \\\"claude-opus-5\\\" for user \\\"mjoln1r.flare@gmail.com\\\"\"},\"source\":\"aperture\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:49947)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-07-25T05:49:27.246Z"},{"error":"Error: 404 {\"error\":{\"message\":\"no route found for model \\\"claude-opus-5\\\" for user \\\"mjoln1r.flare@gmail.com\\\"\"},\"source\":\"aperture\"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:40:49947)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:80:7690)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-07-25T05:54:27.997Z"}]