Skip to content
Frontier Terminal
All alerts

Google lists a new model, gemini-3.8-flash-tts — $0.25 in / $4.50 out per MTok

notable

gemini-3.8-flash-tts appears for the first time in Google's catalog (https://ai.google.dev/gemini-api/docs/pricing), listed as batch, batch, flex, flex, priority, priority, standard, standard. A model no catalog has listed before always alerts — the model-floor rule, no model in the loop.

ai.google.dev123c3f13001c525559c40366bcae1c2f631ab15daab3931297ecb3a892725705

Cited changes

Every field of each cited change, before and after.

added modelgemini-3.8-flash-tts (batch) — $0.25 in / $4.50 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.0625
context_window ∅∅
currency ∅USD
effective_from ∅∅
effective_until ∅2027-01-01
input_per_mtok ∅0.25
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.25 (text) through December 31, 2026. | $0.50 (text) starting January 1, 2027.; cached_input: $0.0625 (input caching) through December 31, 2026. | $0.125 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $4.50 (audio) through December 31, 2026. | $9.00 (audio) starting January 1, 2027.
output_per_mtok ∅4.5
provider ∅google
tier ∅batch
ai.google.devmodel:google:gemini-3.8-flash-tts:batch detected

added modelgemini-3.8-flash-tts (batch) — $0.50 in / $9.00 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.125
context_window ∅∅
currency ∅USD
effective_from ∅2027-01-01
effective_until ∅∅
input_per_mtok ∅0.5
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.25 (text) through December 31, 2026. | $0.50 (text) starting January 1, 2027.; cached_input: $0.0625 (input caching) through December 31, 2026. | $0.125 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $4.50 (audio) through December 31, 2026. | $9.00 (audio) starting January 1, 2027.
output_per_mtok ∅9
provider ∅google
tier ∅batch
ai.google.devmodel:google:gemini-3.8-flash-tts:batch@2027-01-01 detected

added modelgemini-3.8-flash-tts (flex) — $0.25 in / $4.50 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.025
context_window ∅∅
currency ∅USD
effective_from ∅∅
effective_until ∅2027-01-01
input_per_mtok ∅0.25
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.25 (text) through December 31, 2026. | $0.50 (text) starting January 1, 2027.; cached_input: $0.025 (input caching) through December 31, 2026. | $0.05 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $4.50 (audio) through December 31, 2026. | $9.00 (audio) starting January 1, 2027.
output_per_mtok ∅4.5
provider ∅google
tier ∅flex
ai.google.devmodel:google:gemini-3.8-flash-tts:flex detected

added modelgemini-3.8-flash-tts (flex) — $0.50 in / $9.00 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.05
context_window ∅∅
currency ∅USD
effective_from ∅2027-01-01
effective_until ∅∅
input_per_mtok ∅0.5
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.25 (text) through December 31, 2026. | $0.50 (text) starting January 1, 2027.; cached_input: $0.025 (input caching) through December 31, 2026. | $0.05 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $4.50 (audio) through December 31, 2026. | $9.00 (audio) starting January 1, 2027.
output_per_mtok ∅9
provider ∅google
tier ∅flex
ai.google.devmodel:google:gemini-3.8-flash-tts:flex@2027-01-01 detected

added modelgemini-3.8-flash-tts (priority) — $0.90 in / $16.20 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.225
context_window ∅∅
currency ∅USD
effective_from ∅∅
effective_until ∅2027-01-01
input_per_mtok ∅0.9
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.90 (text) through December 31, 2026. | $1.80 (text) starting January 1, 2027.; cached_input: $0.225 (input caching) through December 31, 2026. | $0.45 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $16.20 (audio) through December 31, 2026. | $32.40 (audio) starting January 1, 2027.
output_per_mtok ∅16.2
provider ∅google
tier ∅priority
ai.google.devmodel:google:gemini-3.8-flash-tts:priority detected

added modelgemini-3.8-flash-tts (priority) — $1.80 in / $32.40 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.45
context_window ∅∅
currency ∅USD
effective_from ∅2027-01-01
effective_until ∅∅
input_per_mtok ∅1.8
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.90 (text) through December 31, 2026. | $1.80 (text) starting January 1, 2027.; cached_input: $0.225 (input caching) through December 31, 2026. | $0.45 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $16.20 (audio) through December 31, 2026. | $32.40 (audio) starting January 1, 2027.
output_per_mtok ∅32.4
provider ∅google
tier ∅priority
ai.google.devmodel:google:gemini-3.8-flash-tts:priority@2027-01-01 detected

added modelgemini-3.8-flash-tts (standard) — $0.50 in / $9.00 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.125
context_window ∅∅
currency ∅USD
effective_from ∅∅
effective_until ∅2027-01-01
input_per_mtok ∅0.5
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.50 (text) through December 31, 2026. | $1.00 (text) starting January 1, 2027.; cached_input: $0.125 (input caching) through December 31, 2026. | $0.25 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $9.00 (audio) through December 31, 2026. | $18.00 (audio) starting January 1, 2027.
output_per_mtok ∅9
provider ∅google
tier ∅standard
ai.google.devmodel:google:gemini-3.8-flash-tts:standard detected

added modelgemini-3.8-flash-tts (standard) — $1.00 in / $18.00 out per Mtok

Record fields before and after the change
Field Before After
cached_input_per_mtok ∅0.25
context_window ∅∅
currency ∅USD
effective_from ∅2027-01-01
effective_until ∅∅
input_per_mtok ∅1
model_slug ∅gemini-3.8-flash-tts
notes ∅input: $0.50 (text) through December 31, 2026. | $1.00 (text) starting January 1, 2027.; cached_input: $0.125 (input caching) through December 31, 2026. | $0.25 (input caching) starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $9.00 (audio) through December 31, 2026. | $18.00 (audio) starting January 1, 2027.
output_per_mtok ∅18
provider ∅google
tier ∅standard
ai.google.devmodel:google:gemini-3.8-flash-tts:standard@2027-01-01 detected

Data from the last 90 days is CC BY 4.0. Older data is CC BY-NC 4.0, except what we published before 2026-11-04, which stays CC BY 4.0. How you can reuse it.