OpenAI model

TTS 1 HD

TTS 1 HD is a OpenAI model listed in the NextModel catalog for General chat via OpenAI, API workloads workloads. Its listed price is $0.3 / 10k chars, with a — token context window.

Read quickstartEstimate cost
OpenAIPlatform curatedCatalog
Speech price$0.3 / 10k chars
BillingPer 10k input characters
Context length— tokens
Max output8.2k tokens

What is TTS 1 HD in NextModel?

TTS 1 HD is a OpenAI model listed in the NextModel catalog for General chat via OpenAI, API workloads workloads. Its listed price is $0.3 / 10k chars, with a — token context window.

TTS 1 HD via NextModel: context unpublished; $0.3 / 10k chars in / — out per 1M tokens.

Best use cases

  • General chat via OpenAI
  • API workloads

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"openai/tts-1-hd","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

Speech models use the chat shape for now - see the audio guide.

Similar alternatives

OpenAICatalog

TTS 1

TTS 1 via NextModel: context unpublished; $0.15 / 10k chars in / — out per 1M tokens.

$0.15 / 10k charsInput—Output—Context
Best forGeneral chat via OpenAI, API workloads
Platform curatedCurated and maintained in the NextModel catalog
View details
OpenAICatalogHealthytypical

GPT-4.1

GPT-4.1 via NextModel: 1M-token context; $2 / 1M tokens in / $8 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$2 / 1M tokensInput$8 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
View details
OpenAICatalogHealthyfast

GPT-4.1 Mini

GPT-4.1 Mini via NextModel: 1M-token context; $0.4 / 1M tokens in / $1.60 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$0.4 / 1M tokensInput$1.60 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
View details

Compare TTS 1 HD

TTS 1 HD vs TTS 1TTS 1 HD vs GPT-4.1TTS 1 HD vs GPT-4.1 MiniTTS 1 HD vs GPT-4.1 NanoTTS 1 HD vs GPT-4o

Reading

Articles that explain TTS 1 HD

FAQ

TTS 1 HD API questions

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