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feat(novita): add deepseek-v4-flash #2098

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Merged
steebchen merged 1 commit into from
Apr 27, 2026
Merged

feat(novita): add deepseek-v4-flash #2098

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14 changes: 11 additions & 3 deletions packages/actions/src/prepare-request-body.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -957,9 +957,17 @@ export async function prepareRequestBody(
// `reasoning` field back to provider-style `reasoning_content`. DeepSeek
// accepts an empty string, but Moonshot's newer reasoning models (kimi-k2.5,
// kimi-k2.6) treat an empty string as missing — use a single space as a
// non-empty placeholder there.
if (usedProvider === "deepseek" || usedProvider === "moonshot") {
const fallback = usedProvider === "moonshot" ? " " : "";
// non-empty placeholder there. Novita proxies DeepSeek V4 with the same
// upstream constraint, so apply the DeepSeek behavior there too.
const isNovitaDeepseekV4 =
Comment on lines +960 to +962

Copilot AI Apr 27, 2026

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The inline comment says to "apply the DeepSeek behavior" for Novita, but the code uses the Moonshot-style single-space placeholder (because empty string is treated as missing). Consider rewording to explicitly say you're applying the DeepSeek V4 tool_calls/reasoning_content workaround to Novita, and that Novita requires the non-empty placeholder.

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usedProvider === "novita" && usedModel.startsWith("deepseek/deepseek-v4");
if (
usedProvider === "deepseek" ||
usedProvider === "moonshot" ||
isNovitaDeepseekV4
) {
const fallback =
usedProvider === "moonshot" || isNovitaDeepseekV4 ? " " : "";
processedMessages = processedMessages.map((m) => {
if (
m.role !== "assistant" ||
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15 changes: 15 additions & 0 deletions packages/models/src/models/deepseek.ts
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Expand Up @@ -328,6 +328,21 @@ export const deepseekModels = [
"tools",
],
},
{
providerId: "novita",
modelName: "deepseek/deepseek-v4-flash",
inputPrice: 0.14 / 1e6,
cachedInputPrice: 0.028 / 1e6,
outputPrice: 0.28 / 1e6,
requestPrice: 0,
contextSize: 1050000,
maxOutput: 393216,
streaming: true,
reasoning: true,
vision: false,
tools: true,
jsonOutput: true,
},
],
},
] as const satisfies ModelDefinition[];
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