Gemini 3.1 Flash TTS
Last verified: April 20, 2026$1.00/1M input · $20.00/1M output · 32K context · Google
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Alternatives to Gemini 3.1 Flash TTS
Cheaper Alternative
Claude Sonnet 4.6 Adaptive
$3.00 in · $15.00 out · Anthropic
14% cheaper with same or larger context
Premium UpgradeClaude Opus 4.7
$5.00 in · $25.00 out · Anthropic
Upgrade with 1000K context and 128K max output
Same ProviderGemini 3.1 Pro
$2.00 in · $12.00 out · Google
33% cheaper in Google ecosystem
Pricing Details
GoogleTTS model. Audio output billed at 25 audio tokens/sec ($20/1M audio tokens = ~$1.81/hr at 150 wpm). Batch: $0.50 input / $10.00 audio output. 70+ languages, multi-speaker. Preview only. Estimated tokens.
Input / 1M tokens
$1
Output / 1M tokens
$20
Context Window
32K
Max Output
32K
Price History
Launched at current price on 2026-04-15. No price changes recorded.
Frequently Asked Questions
Common questions about Gemini 3.1 Flash TTS pricing and usage