GPT 4o mini TTS
OpenAI audio speechGPT 4o mini TTS is an OpenAI text-to-speech model.Input is priced at $2.50/M tokens and output at $10.00/M tokens. Route GPT 4o mini TTS via Future AGI's Agent Command Center for unified observability, caching, and 15 routing strategies including cost-optimized fallback.
Estimate GPT 4o mini TTS spend
Pick a workload, fine-tune the sliders, and see the monthly bill.
Estimate uses $2.50/M input · $10.00/M output. Provider pricing changes. Production costs vary with retries, streaming overhead, and tool-call rounds.
Want this for free? Cache + route via Agent Command Center — first 100K requests and 100K cache hits free every month.
Pricing
Per-token rates, expressed in USD per 1M tokens. Verified May 12, 2026.
| Input | $2.50/M | |
| Output | $10.00/M |
Limits
- Context window
- —
- Max input
- —
- Max output
- —
- Modalities
- audio, text
Capabilities
- Function calling — not advertised
- Parallel tool calls — not advertised
- Vision input — not advertised
- Audio input — not advertised
- Audio output — not advertised
- PDF input — not advertised
- Streaming ✓ supported
- Structured output — not advertised
- Prompt caching — not advertised
- Reasoning — not advertised
Where it's strong
- +pricing — cheaper than 100% of priced audio speech models on Future AGI
Watch out for
- No major caveats flagged from public spec.
Benchmarks pending
We haven't logged public benchmark scores for GPT 4o mini TTS yet. Have one to contribute? Submit a source — citations help us prioritise.
Call GPT 4o mini TTS via Agent Command Center
One OpenAI-compatible endpoint. Routing, fallback, semantic caching, guardrails, and cost tracking come along for the ride. First 100K requests + 100K cache hits free every month.
agentcc / @agentcc/client). Per-call metadata — provider, cost, latency, cache hit, request id — is returned on x-agentcc-* response headers, so any HTTP client can read it.# GPT 4o mini TTS via the Agent Command Center Python SDK
# pip install agentcc
import os
from agentcc import AgentCC
client = AgentCC(
api_key=os.environ["AGENTCC_API_KEY"], # from app.futureagi.com → Settings → API Keys
base_url="https://gateway.futureagi.com/v1",
)
resp = client.chat.completions.create(
model="openai/gpt-4o-mini-tts",
messages=[{"role": "user", "content": "Hello, GPT 4o mini TTS!"}],
)
print(resp.choices[0].message.content)
print(f"Tokens: {resp.usage.total_tokens}")
# Per-call gateway metadata is returned on x-agentcc-* response headers.
# When you need it programmatically, use .with_raw_response to get them:
raw = client.chat.completions.with_raw_response.create(
model="openai/gpt-4o-mini-tts",
messages=[{"role": "user", "content": "Same call, but I want the headers."}],
)
print("Provider:", raw.headers.get("x-agentcc-provider"))
print("Latency:", raw.headers.get("x-agentcc-latency-ms"), "ms")
print("Cost: ", raw.headers.get("x-agentcc-cost"), "USD")
print("Cache: ", raw.headers.get("x-agentcc-cache"))AGENTCC_API_KEY with a key fromapp.futureagi.com.Gateway docs ↗Same model on other providers
gpt-4o-mini-tts is also available via 1 other route. Pricing, regions, and capabilities can differ — compare before routing production traffic.
| Provider | Input / 1M | Output / 1M | Verified |
|---|---|---|---|
| Azure OpenAI | $2.50/M | $10.00/M | May 12, 2026 |
Compare with similar models
GPT 4o mini TTS doesn't have a public Arena ELO score yet, so we group by provider only — quality-tier comparisons need a benchmark.
FAQ
How much does GPT 4o mini TTS cost?
Input is priced at $2.50 per 1M tokens and output at $10.00 per 1M tokens (OpenAI, last verified May 12, 2026).
What is the context window of GPT 4o mini TTS?
Context window for GPT 4o mini TTS is not currently public.
Does GPT 4o mini TTS support function calling?
GPT 4o mini TTS does not currently advertise function-calling support. For agentic workloads, prefer a tool-calling-capable model and route via Agent Command Center for fallback.
Is GPT 4o mini TTS good for production?
GPT 4o mini TTS is well-suited for pricing — cheaper than 100% of priced audio speech models on Future AGI.
How can I route to GPT 4o mini TTS with fallback?
Use Agent Command Center: a single OpenAI-compatible endpoint that supports cost-optimized routing, latency-aware retries, model fallback, and shadow traffic. Configure once, swap models without app changes.
Useful links for GPT 4o mini TTS
Official sources, independent benchmarks, and pricing aggregators — no random search-engine guesses.
Third-party evals — verify the marketing.
Cross-check our number against the rest of the ecosystem.