fix(ai): keep models.dev pricing tiers for Amazon Bedrock models

Bedrock OpenAI models were costed at the short-context rate above 272k
input tokens because the generator dropped the models.dev tiers.

closes #10326

packages/ai/CHANGELOG.md

@@ -16,6 +16,7 @@
 - Fixed "Selected model is at capacity" provider errors ending the turn instead of being retried ([#10278](https://github.com/earendil-works/pi/issues/10278))
 - Fixed Cloudflare AI Gateway Claude models failing with a 404 by using dashed model IDs (`claude-opus-5-5` instead of `claude-opus-5.5`), which Anthropic requires
 - Fixed Sign in with ChatGPT continuing when its callback port is taken by another login, which made the browser show "OAuth state mismatch"; it now fails with a port-in-use error ([#10265](https://github.com/earendil-works/pi/issues/10265))
+- Fixed Amazon Bedrock OpenAI models costing requests above 272k input tokens at the short-context rate; Bedrock models now include the pricing tiers listed on models.dev ([#10326](https://github.com/earendil-works/pi/issues/10326))
 
 ## [1.0.0] - 2026-10-01
 

packages/ai/scripts/generate-models.ts

@@ -1790,12 +1790,8 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
 					baseUrl: getBedrockBaseUrl(id),
 					reasoning: m.reasoning === true,
 					input: (m.modalities?.input?.includes("image") ? ["text", "image"] : ["text"]) as ("text" | "image")[],
-					cost: {
-						input: m.cost?.input || 0,
-						output: m.cost?.output || 0,
-						cacheRead: m.cost?.cache_read || 0,
-						cacheWrite: m.cost?.cache_write || 0,
-					},
+					// Includes models.dev pricing tiers, e.g. the long-context tier for OpenAI models (#10326).
+					cost: getModelsDevCost(m.cost),
 					contextWindow: m.limit?.context || 4096,
 					maxTokens: m.limit?.output || 4096,
 					...(m.structured_output === true && { compat: { supportsStrictMode: true } }),