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 55 responses models they offer. It is priced at $0.25 per 1M input tokens and $1.50 per 1M output tokens, ranking 24 out of 171 responses models by cost and cheaper than 85% 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 24 out of 171 responses models by input cost. It is more affordable compared to the median of $2.00 for responses models, and is cheaper than 85% of models in this category.
gemini-3.1-flash-lite is one of 55 Perplexity responses models, with support for function calling, web search.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-3.1-flash-lite |
|---|---|---|---|---|
| openai.gpt-5.6-luna | Bedrock Mantle | $0.22 | $1.32 | -12% |
| gpt-5.1-codex-mini | Azure | $0.28 | $2.20 | +10% |
| gpt-5.1-codex-mini-2025-11-13 | Azure | $0.25 | $2.00 | 0% |
Similar responses models from other providers
No. gemini-3.1-flash-lite costs $0.25 per 1M input tokens while openai.gpt-5.6-luna costs $0.22 per 1M input tokens, making openai.gpt-5.6-luna 12% 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 24 out of 171 responses models by input cost, making it cheaper than 85% of models in this category. For output, it costs $1.50 per 1M tokens compared to the median of $11.00.
Among Perplexity's 55 responses models, gemini-3.1-flash-lite ranks 10 by input cost.
The most comparable responses models to gemini-3.1-flash-lite are: 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); gpt-5.6-luna from Github Copilot ($0.20/1M 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.