Follow Discord
Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

fallback-credit changedbuild-with-claude/fallback-credit

Nearest release: v2.1.302, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+4added
Lines−4removed
From line 247 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits14to this page, all time

The whole hunk

from line 247, old and new numbered
/
lines
from line 247
247247 [
248248 new() { Role = Role.User, Content = "Hello, Claude" },
249249 ];
250 MessageCreateParams Request(string model) => new()
250 MessageCreateParams Request(Model model) => new()
251251 {
252252 Model = model,
253253 MaxTokens = 1024,
from line 254
254254 Messages = requestMessages,
255255 Betas = [beta],
256256 };
257 var response = await client.Beta.Messages.Create(Request("claude-fable-5"));
257 var response = await client.Beta.Messages.Create(Request(Model.ClaudeFable5));
258258 
259259 if (
260260 response.StopReason == BetaStopReason.Refusal
from line 261
261261 && response.StopDetails is { FallbackCreditToken: string token } details
262262 )
263263 {
264 var exactBody = Request("claude-opus-4-8") with { FallbackCreditToken = token };
264 var exactBody = Request(Model.ClaudeOpus4_8) with { FallbackCreditToken = token };
265265 var attempt = exactBody;
266266 // Prefer the continuation shape unless the claim is false
267267 if (details.FallbackHasPrefillClaim is not false)
from line 308
308308 when (!retryError.Message.Contains("redemption temporarily unavailable"))
309309 {
310310 // The token itself was rejected: forfeit it and retry without.
311 response = await client.Beta.Messages.Create(Request("claude-opus-4-8"));
311 response = await client.Beta.Messages.Create(Request(Model.ClaudeOpus4_8));
312312 }
313313 }
314314 }
Feedback