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feat(models): support anthropic sonnet 4.6

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This commit is contained in:
Peter Steinberger
2026-02-18 00:00:20 +01:00
parent a333d92013
commit ae2c8f2cf0
12 changed files with 93 additions and 10 deletions
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44
src/agents/model-forward-compat.ts
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@@ -1,8 +1,8 @@
import type { Api, Model } from "@mariozechner/pi-ai";
import type { ModelRegistry } from "./pi-model-discovery.js";
import { DEFAULT_CONTEXT_TOKENS } from "./defaults.js";
import { normalizeModelCompat } from "./model-compat.js";
import { normalizeProviderId } from "./model-selection.js";
import type { ModelRegistry } from "./pi-model-discovery.js";
const OPENAI_CODEX_GPT_53_MODEL_ID = "gpt-5.3-codex";
const OPENAI_CODEX_TEMPLATE_MODEL_IDS = ["gpt-5.2-codex"] as const;
@@ -10,6 +10,9 @@ const OPENAI_CODEX_TEMPLATE_MODEL_IDS = ["gpt-5.2-codex"] as const;
const ANTHROPIC_OPUS_46_MODEL_ID = "claude-opus-4-6";
const ANTHROPIC_OPUS_46_DOT_MODEL_ID = "claude-opus-4.6";
const ANTHROPIC_OPUS_TEMPLATE_MODEL_IDS = ["claude-opus-4-5", "claude-opus-4.5"] as const;
const ANTHROPIC_SONNET_46_MODEL_ID = "claude-sonnet-4-6";
const ANTHROPIC_SONNET_46_DOT_MODEL_ID = "claude-sonnet-4.6";
const ANTHROPIC_SONNET_TEMPLATE_MODEL_IDS = ["claude-sonnet-4-5", "claude-sonnet-4.5"] as const;
const ZAI_GLM5_MODEL_ID = "glm-5";
const ZAI_GLM5_TEMPLATE_MODEL_IDS = ["glm-4.7"] as const;
@@ -139,6 +142,44 @@ function resolveAnthropicOpus46ForwardCompatModel(
});
}
function resolveAnthropicSonnet46ForwardCompatModel(
provider: string,
modelId: string,
modelRegistry: ModelRegistry,
): Model<Api> | undefined {
const normalizedProvider = normalizeProviderId(provider);
if (normalizedProvider !== "anthropic") {
return undefined;
}
const trimmedModelId = modelId.trim();
const lower = trimmedModelId.toLowerCase();
const isSonnet46 =
lower === ANTHROPIC_SONNET_46_MODEL_ID ||
lower === ANTHROPIC_SONNET_46_DOT_MODEL_ID ||
lower.startsWith(`${ANTHROPIC_SONNET_46_MODEL_ID}-`) ||
lower.startsWith(`${ANTHROPIC_SONNET_46_DOT_MODEL_ID}-`);
if (!isSonnet46) {
return undefined;
}
const templateIds: string[] = [];
if (lower.startsWith(ANTHROPIC_SONNET_46_MODEL_ID)) {
templateIds.push(lower.replace(ANTHROPIC_SONNET_46_MODEL_ID, "claude-sonnet-4-5"));
}
if (lower.startsWith(ANTHROPIC_SONNET_46_DOT_MODEL_ID)) {
templateIds.push(lower.replace(ANTHROPIC_SONNET_46_DOT_MODEL_ID, "claude-sonnet-4.5"));
}
templateIds.push(...ANTHROPIC_SONNET_TEMPLATE_MODEL_IDS);
return cloneFirstTemplateModel({
normalizedProvider,
trimmedModelId,
templateIds,
modelRegistry,
});
}
// Z.ai's GLM-5 may not be present in pi-ai's built-in model catalog yet.
// When a user configures zai/glm-5 without a models.json entry, clone glm-4.7 as a forward-compat fallback.
function resolveZaiGlm5ForwardCompatModel(
@@ -243,6 +284,7 @@ export function resolveForwardCompatModel(
return (
resolveOpenAICodexGpt53FallbackModel(provider, modelId, modelRegistry) ??
resolveAnthropicOpus46ForwardCompatModel(provider, modelId, modelRegistry) ??
resolveAnthropicSonnet46ForwardCompatModel(provider, modelId, modelRegistry) ??
resolveZaiGlm5ForwardCompatModel(provider, modelId, modelRegistry) ??
resolveAntigravityOpus46ForwardCompatModel(provider, modelId, modelRegistry)
);