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Improve Higgs TTS token-limit error guidance #522

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Merged
0xShug0 merged 2 commits into from
Sep 14, 2026
+5 −1
Merged

Improve Higgs TTS token-limit error guidance #522

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046319a
fix(higgs_audio_tts): share one sampling seed across chunks of a request
mwzkhalil Sep 12, 2026
c96ba53
Limit Higgs TTS change to token-limit error guidance
0xShug0 Sep 14, 2026
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6 changes: 5 additions & 1 deletion src/models/higgs_audio_tts/generator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -508,7 +508,11 @@ HiggsGenerationResult HiggsGenerator::generate(const HiggsGenerationRequest & re
engine::debug::timing_log_scalar("higgs_audio_tts.generator.decode_ms",
engine::debug::elapsed_ms(decode_start, Clock::now()));
if (!state.generation_done) {
throw std::runtime_error("Higgs TTS generation reached max_tokens before EOC");
throw std::runtime_error(
"Higgs TTS generation reached max_tokens (" + std::to_string(request.options.max_tokens) +
") before EOC for this text chunk; raise it with --max-tokens on the CLI or "
"the \"max_tokens\" request option on the server, or lower --text-chunk-size / "
"\"text_chunk_size\" so each chunk needs fewer generated frames");
}

result.raw_codes = reverse_higgs_delay_pattern(
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