gemini-3.8-flash-tts on AvalAI
Available on AvalAI
- Publisher
- Available AvalAI IDs
- 1
- Provider and configuration variants
- 3
Available AvalAI IDs
| Model ID | Operation | Supported endpoints | Minimum tier |
|---|---|---|---|
gemini-3.8-flash-tts | "audio_speech" | ["/v1/audio/speech"] | 0 |
Unknown means unrecorded. null is an explicit unknown value; false means lack of support. A reference namespace does not establish which provider AvalAI uses.
Use through AvalAI
Use the guide for this exact ID’s supported endpoint. An unrecorded endpoint cannot supply a verified request example.
AvalAI prices
These are recorded AvalAI charges. Each row retains its exact model ID, billing unit, and qualifiers.
| Covered exact IDs | Charge field | Amount | Unit | Currency / role / modality | Configuration and qualifiers | Source |
|---|---|---|---|---|---|---|
gemini-3.8-flash-tts | Audio outputpricing.audio_output | 9.0 | USD/1M tokens | USD / output / audio | — | AvalAI catalog |
gemini-3.8-flash-tts | Cached text inputpricing.cached_input | 0.125 | USD/1M tokens | USD / cached-input / text | — | AvalAI catalog |
gemini-3.8-flash-tts | Text inputpricing.input | 0.5 | USD/1M tokens | USD / input / text | — | AvalAI catalog |
gemini-3.8-flash-tts | Text outputpricing.output | 9.0 | USD/1M tokens | USD / output / text | — | AvalAI catalog |
Provider namespaces and configurations
Namespaces and regions describe the reference IDs and do not confirm AvalAI routing. Different qualified billing units are not directly comparable.
| Variant | Exact ID | Identity and configuration | AvalAI availability |
|---|---|---|---|
| V1 | gemini-3.8-flash-tts | {"axes":{},"hostingProvider":null,"region":null} | Available on AvalAI |
| V2 | gemini/gemini-3.8-flash-tts | {"axes":{},"hostingProvider":"gemini","region":null} | Reference only |
| V3 | vertex_ai/gemini-3.8-flash-tts | {"axes":{},"hostingProvider":"vertex_ai","region":null} | Reference only |
Provider reference prices
{"currency":"USD","normalizationStatus":"normalized","source":"primary-reference","sourcePath":"data/rate-limits/model_prices_and_context_window.json","unit":"USD/token"}
F1 — Cached text input{"billingRole":"cached-input","field":"cache_read_input_token_cost","modality":"text","qualifiers":{}}
F2 — Cached text input{"billingRole":"cached-input","field":"cache_read_input_token_cost_batches","modality":"text","qualifiers":{"executionMode":"batches"}}
F3 — Cached text input{"billingRole":"cached-input","field":"cache_read_input_token_cost_flex","modality":"text","qualifiers":{"executionMode":"flex"}}
F4 — Cached text input{"billingRole":"cached-input","field":"cache_read_input_token_cost_priority","modality":"text","qualifiers":{"executionMode":"priority"}}
F5 — Text input{"billingRole":"input","field":"input_cost_per_token","modality":"text","qualifiers":{}}
F6 — Text input{"billingRole":"input","field":"input_cost_per_token_batches","modality":"text","qualifiers":{"executionMode":"batches"}}
F7 — Text input{"billingRole":"input","field":"input_cost_per_token_flex","modality":"text","qualifiers":{"executionMode":"flex"}}
F8 — Text input{"billingRole":"input","field":"input_cost_per_token_priority","modality":"text","qualifiers":{"executionMode":"priority"}}
F9 — Audio output{"billingRole":"output","field":"output_cost_per_audio_token","modality":"audio","qualifiers":{}}
F10 — Text output{"billingRole":"output","field":"output_cost_per_token","modality":"text","qualifiers":{}}
F11 — Text output{"billingRole":"output","field":"output_cost_per_token_batches","modality":"text","qualifiers":{"executionMode":"batches"}}
F12 — Text output{"billingRole":"output","field":"output_cost_per_token_flex","modality":"text","qualifiers":{"executionMode":"flex"}}
F13 — Text output{"billingRole":"output","field":"output_cost_per_token_priority","modality":"text","qualifiers":{"executionMode":"priority"}}
Unit not verified means the source value is retained without interpretation and cannot be compared as a price. null does not mean free.
Capabilities and limits
| Field | Value | Covered IDs | Source |
|---|---|---|---|
max_input_tokens | 8192 | V1 | AvalAI catalog |
max_output_tokens | 16384 | V1 | AvalAI catalog |
max_requests_per_1_minute | 1000.0 | V1 | AvalAI catalog |
max_tokens | 16384 | V1 | AvalAI catalog |
max_tokens_per_1_minute | 10000000.0 | V1 | AvalAI catalog |
min_tier | 0 | V1 | AvalAI catalog |
mode | "audio_speech" | V1 | AvalAI catalog |
object | "model" | V1 | AvalAI catalog |
owned_by | "google" | V1 | AvalAI catalog |
supported_endpoints | ["/v1/audio/speech"] | V1 | AvalAI catalog |
supports_prompt_caching | true — Supported | V1 | AvalAI catalog |
| Model ID | Tier | Access | RPM | TPM | Other limits | Source |
|---|---|---|---|---|---|---|
| V1 | 0 | Available | 1.0 | 40000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
| V1 | 1 | Available | 25.0 | 1000000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
| V1 | 2 | Available | 250.0 | 2000000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
| V1 | 3 | Available | 500.0 | 3000000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
| V1 | 4 | Available | 750.0 | 5000000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
| V1 | 5 | Available | 1000.0 | 10000000.0 | {"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_tokens_per_1_day":2147483647.0,"owner":"google","provider":"gemini"} | Exact tier source |
Technical reference observations
The sources below are independent and may disagree. Their observations do not override AvalAI prices, capabilities, or supported endpoints.
{"source":"primary-reference","sourcePath":"data/rate-limits/model_prices_and_context_window.json"}
V2{"litellm_provider":"gemini","max_input_tokens":8192,"max_output_tokens":16384,"max_tokens":16384,"mode":"audio_speech","source":"https://ai.google.dev/gemini-api/docs/pricing","supported_endpoints":["/v1/audio/speech"],"supports_prompt_caching":true}
{"source":"primary-reference","sourcePath":"data/rate-limits/model_prices_and_context_window.json"}
V3{"litellm_provider":"vertex_ai","max_input_tokens":8192,"max_output_tokens":16384,"max_tokens":16384,"mode":"audio_speech","source":"https://cloud.google.com/gemini-enterprise-agent-platform/generative-ai/pricing","supported_endpoints":["/v1/audio/speech"]}
{"sourcePath":"data/rate-limits/tier0.json","tier":0,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":1.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":40000.0,"owner":"google","provider":"gemini"}}V1
{"sourcePath":"data/rate-limits/tier1.json","tier":1,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":25.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":1000000.0,"owner":"google","provider":"gemini"}}V1
{"sourcePath":"data/rate-limits/tier2.json","tier":2,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":250.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":2000000.0,"owner":"google","provider":"gemini"}}V1
{"sourcePath":"data/rate-limits/tier3.json","tier":3,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":500.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":3000000.0,"owner":"google","provider":"gemini"}}V1
{"sourcePath":"data/rate-limits/tier4.json","tier":4,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":750.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":5000000.0,"owner":"google","provider":"gemini"}}V1
{"sourcePath":"data/rate-limits/tier5.json","tier":5,"values":{"max_audio_megabytes_per_1_minute":null,"max_images_per_1_minute":null,"max_requests_per_1_day":null,"max_requests_per_1_minute":1000.0,"max_tokens_per_1_day":2147483647.0,"max_tokens_per_1_minute":10000000.0,"owner":"google","provider":"gemini"}}V1