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Cap context to 200k and strip context-1m beta header for OAuth users #44

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Cap context to 200k and strip context-1m beta header for OAuth users #44

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6 changes: 4 additions & 2 deletions index.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ export async function AnthropicAuthPlugin({ client }) {
async loader(getAuth, provider) {
const auth = await getAuth();
if (auth.type === "oauth") {
// zero out cost for max plan
// zero out cost for max plan and cap context to 200k (1M beta not available for OAuth)
for (const model of Object.values(provider.models)) {
model.cost = {
input: 0,
Expand All @@ -94,6 +94,7 @@ export async function AnthropicAuthPlugin({ client }) {
write: 0,
},
};
model.limit.context = Math.min(model.limit.context, 200_000);
}
return {
apiKey: "",
Expand Down Expand Up @@ -171,7 +172,8 @@ export async function AnthropicAuthPlugin({ client }) {
const incomingBetasList = incomingBeta
.split(",")
.map((b) => b.trim())
.filter(Boolean);
.filter(Boolean)
.filter((b) => !b.startsWith("context-1m"));

const requiredBetas = [
"oauth-2025-04-20",
Expand Down