{"pick":"Gradium TTS","reason":"Gradium TTS is the best available hardtext entity accuracy pick. Evidence tier: codesota measured.","alternatives":["Kokoro v1.0","ElevenLabs Turbo v2.5","Sesame CSM"],"evidence":{"benchmark":"codesota-tts-hardtext-v2","verification_tier":"codesota_measured","run_date":"2026-05-17"},"constraints":{"language":null,"deployment":null,"commercial_use":null,"license":null,"streaming":null,"cloning":null,"voice_design":null,"max_ttfb_ms":null,"max_cost_per_1m_chars":null,"max_params":null,"max_ram_gb":null,"sample_rate_min":null,"supports_code_switching":null,"metric":"hardtext_entity_accuracy"},"supported_filters":["language","deployment=api|local|browser|mobile|edge","commercial_use=true|false","license","streaming=true|false","cloning=true|false","voice_design=true|false","max_ttfb_ms","max_cost_per_1m_chars","max_params","max_ram_gb","sample_rate_min","supports_code_switching=true|false"]}