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Chat Bison vs Gemini 3.1 Flash Lite
Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.
Model
Gemini 3.1 Flash Lite
Best $0.250 in · $1.50 out
Context window 1.0M
Chat Bison is cheaper across the board — 50% cheaper on input and 91% cheaper on output.
Pricing matrix
Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.
| Provider | Chat Bison in | Chat Bison out | Gemini 3.1 Flash Lite in | Gemini 3.1 Flash Lite out |
|---|---|---|---|---|
| $0.125 | $0.125 | $0.250 | $1.50 | |
| Google Vertex | N/A | N/A | $0.250 | $1.50 |
| Openrouter | N/A | N/A | $0.250 | $1.50 |
Best listed rates (this pair)
Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.
Catalog map · Google
Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.
Google · input vs output
Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.
One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).
Specifications
Each column header is the full model name. Tint marks the favorable value where we compute a winner.
- Context window
- 8,192 tokens
- 1,048,576 tokens
- Max output tokens
- 4,096 tokens
- 65,536 tokens
- Vision
- No
- Yes
- Function calling
- No
- Yes
- Streaming
- No
- Yes
- Release date
- N/A
- May 2026
Cost calculator
Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.
When to pick which
Short takeaways: no cards, just the points. Validate with your own workloads.
Long-context tasks
Use Gemini 3.1 Flash Lite. Its 1048K context window handles large codebases and documents better than 8K.
High-volume text generation
Use Chat Bison. Output tokens are 91% cheaper, which compounds significantly at scale.
Long output (reports, code files)
Use Gemini 3.1 Flash Lite. Its 65K max output limit reduces the need to split requests.
Frequently asked questions
More comparisons
Other popular head-to-head matchups.
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- Chat Bison vs Gemini 1.5 Pro
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- Chat Bison vs GPT-4o
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- Gemini 3.1 Flash Lite vs Gemini 2.0 Flash
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- Gemini 3.1 Flash Lite vs Gemini 1.5 Pro
Gemini 3.1 Flash Lite 70% cheaper on output