ComfyUI Node
arkennemasis fal · ElevenLabs TTS Eleven v3 · $0.1/1k chars
Generate text-to-speech audio using Eleven-v3 from ElevenLabs. Pricing (from fal, 2026-09-29): $0.1 per 1000 character (fal's billing unit). Model page: https://fal.ai/models/fal-ai/elevenlabs/tts/eleven-v3 Key: FAL_KEY in the .env next to run_nvidia_gpu.bat. Results are saved in output/fal/fal-ai_elevenlabs_tts_eleven-v3/.
arkennemasis fal · ElevenLabs TTS Eleven v3 · $0.1/1k chars
- audio
- audio_path
- timestamps
- info
◄text►
◄voiceRachel►
◄stability0.50►
◄timestampsfalse►
◄language_code►
◄apply_text_normalizationauto►
◄max_cost_usd20.0►
◄reuse_identical_runtrue►
◄extra_json►
◄max_concurrent1►
Categoryarkennemasis/fal/Audio/ElevenLabs
Inputs (10)
| Name | Type | Default | Description |
|---|---|---|---|
| text | STRING | The text to convert to speech | |
| voice | STRING | Rachel | The voice to use for speech generation Empty leaves it out. |
| stability | FLOAT | 0.500–1 | Voice stability (0-1) |
| timestamps | BOOLEAN | false | Whether to return timestamps for each word in the generated speech |
| language_code | STRING | Language code (ISO 639-1) used to enforce a language for the model. Empty leaves it out. | |
| apply_text_normalization | COMBO | auto | This parameter controls text normalization with three modes: 'auto', 'on', and 'off'. When set to 'auto', the system will automatically decide whether to apply text normalization (e.g., spelling out numbers). With 'on', text normalization will always be applied, while with 'off', it will be skipped. |
| max_cost_usdopt | FLOAT | 20.00–100000 | Safety cap. If the estimated cost of this run is above this many US dollars the node stops BEFORE sending anything to fal. 0 = no cap. |
| reuse_identical_runopt | BOOLEAN | true | If these exact inputs (the settings AND the same pictures/clips/audio) were already paid for and the files are still in output/fal, return them instead of paying again - also after a ComfyUI restart. Turn off for a fresh take with the same settings. |
| extra_jsonopt | STRING | Advanced: a JSON object merged into the request last, for any fal field this node has no box for. Example: {"seed": 7}. Leave empty normally. | |
| max_concurrentopt | INT | 11–32 | How many paid fal calls may run at the same time in one run, across every fal node. 1 (default) = one after another. This node starts its paid part only while fewer than this many fal calls are running. Once any fal node fails, the ones still waiting are not started, so nothing more is billed. |
Outputs (4)
| Name | Type | Description |
|---|---|---|
| audio | AUDIO | — |
| audio_path | STRING | — |
| timestamps | STRING | — |
| info | STRING | JSON: request id, cost estimate, saved files and fal's full answer. |