Calculate the cost of using gemini-3.1-flash-lite from Perplexity for your AI applications
Pricing data last updated:
Mode: Responses
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gemini-3.1-flash-lite is a responses model from Perplexity, one of 42 responses models they offer. It is priced at $0.25 per 1M input tokens and $1.50 per 1M output tokens, ranking 12 out of 115 responses models by cost and cheaper than 89% of models in this category. gemini-3.1-flash-lite supports function calling, web search.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
At $0.25 per 1M input tokens and $1.50 per 1M output tokens, gemini-3.1-flash-lite ranks 12 out of 115 responses models by input cost. It is more affordable compared to the median of $2.00 for responses models, and is cheaper than 89% of models in this category.
gemini-3.1-flash-lite is one of 42 Perplexity responses models, with support for function calling, web search.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-3.1-flash-lite |
|---|---|---|---|---|
| gpt-5.1-codex-mini | OpenAI | $0.25 | $2.00 | 0% |
| openai.gpt-5.6-luna | Bedrock Mantle | $0.22 | $1.32 | -12% |
| gpt-5.1-codex-mini | Azure | $0.28 | $2.20 | +10% |
Similar responses models from other providers
No. gemini-3.1-flash-lite costs $0.25 per 1M input tokens while gpt-5.1-codex-mini costs $0.25 per 1M input tokens, making gpt-5.1-codex-mini 0% more affordable for input. However, gemini-3.1-flash-lite may offer different capabilities or performance characteristics that justify the price difference.
gemini-3.1-flash-lite input pricing is $0.25 per 1M tokens, which is 87% below the median of $2.00 for responses models. It ranks 12 out of 115 responses models by input cost, making it cheaper than 89% of models in this category. For output, it costs $1.50 per 1M tokens compared to the median of $13.20.
Among Perplexity's 42 responses models, gemini-3.1-flash-lite ranks 7 by input cost.
The most comparable responses models to gemini-3.1-flash-lite are: gpt-5.1-codex-mini from OpenAI ($0.25/1M input tokens); openai.gpt-5.6-luna from Bedrock Mantle ($0.22/1M input tokens); gpt-5.1-codex-mini from Azure ($0.28/1M input tokens); gpt-5.1-codex-mini-2025-11-13 from Azure ($0.25/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
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gemini-3.1-flash-lite is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.25 and generating 1M output tokens costs $1.50.