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gemini-3.5-flash

Vertex AI · chat model

gemini-3.5-flash is listed here as a chat model from Vertex AI. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.

Input
$1.5000 / 1M tokens
Output
$9.0000 / 1M tokens
Cached input
$0.1500 / 1M tokens
Context
65.5K
Compare similar models Open a side-by-side table using this route and the closest match from the current catalog. Estimate workload cost Use token counts, request volume, and cache assumptions to check a realistic monthly bill. Explore benchmark family Review source-backed benchmark rows for the attached base model family. Check data sources See how pricing data is generated and what still needs provider verification.

Quick read

Best for

Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.

Things to verify

Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.

Pricing

Item Price
Input
$1.5000 / 1M tokens
Output
$9.0000 / 1M tokens
Cached input
$0.1500 / 1M tokens
Reasoning output
$9.0000 / 1M tokens
Audio input
$1.0000 / 1M tokens
Embedding
$1.5000 / 1M tokens
Priority input
$2.7000 / 1M tokens
Priority output
$16.2000 / 1M tokens

Token limits

Context window
65.5K
Max input tokens
1.0M
Max output tokens
65.5K
Max tokens
65.5K

Capabilities

Capability Supported
Vision ✅
Function calling ✅
Parallel function calling ✅
Tool choice ✅
Prompt caching ✅
Reasoning ✅
Response schema ✅
System messages ✅
Audio input ✅
Audio output —
Web search ✅
PDF input ✅
Video input ✅

Benchmarks

Most benchmark rows are attached to the base model family rather than this provider route. Open benchmark explorer

Benchmark Score Metric Scope Checked Source
MMMU-Pro 84% accuracy Base model: Gemini 3.5 Flash (Gemini 3.5 Flash (high)) 2026-05-31 Link
MMMU-Pro 84% accuracy Base model: Gemini 3.5 Flash (Gemini 3.5 Flash (medium)) 2026-05-31 Link

Sources

Source links
Pricing data LiteLLM model cost map
Synced at 2026-05-28

Similar models

This list is ranked by overall similarity. Use filters to emphasize the lens that matters most for the replacement you are making.

Comparing from
Model Cost Input shape Features Context Why it is close
gemini-3.5-flash
Vertex AI
In $1.5000 / 1M tokens
Out $9.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Current model
Reference row

Overall blends cost, modality overlap, capabilities, and context.

Model Cost Input shape Features Context Why it is close
gemini-3.5-flash
Google
In $1.5000 / 1M tokens
Out $9.0000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 76%
gemini-3.5-flash
vertex_ai-language-models
In $1.5000 / 1M tokens
Out $9.0000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 76%
gemini-2.5-pro
vertex_ai-language-models
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Partial I/O overlap
Overall 70%
gemini-2.5-pro
Google
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Partial I/O overlap
Overall 70%
gemini-pro-latest
Google
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Partial I/O overlap
Overall 70%
gemini-pro-latest
Google
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Partial I/O overlap
Overall 70%
gemini-3.1-pro-preview
Vertex AI
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Same provider
Overall 69%
gemini-3.1-pro-preview-customtools
Vertex AI
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Same provider
Overall 69%
gemini-3-pro-preview
Vertex AI
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Same provider
Overall 67%
gemini-3.1-flash-lite-preview
vertex_ai-language-models
In $0.2500 / 1M tokens
Out $1.5000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 59%
gemini-3.1-flash-lite
vertex_ai-language-models
In $0.2500 / 1M tokens
Out $1.5000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 59%
gemini-3.1-flash-lite-preview
Google
In $0.2500 / 1M tokens
Out $1.5000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 59%
gemini-3.1-flash-lite
Google
In $0.2500 / 1M tokens
Out $1.5000 / 1M tokens
pdfurl audioimage
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Partial I/O overlap
Overall 59%
gemini-3-flash-preview
Vertex AI
In $0.5000 / 1M tokens
Out $3.0000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Same provider
Overall 59%
qwen3-max
novita
In $2.1100 / 1M tokens
Out $8.4500 / 1M tokens
pdfurl text
Output: text
Function callingParallel function callingTool choiceResponse schema
65.5K
Partial I/O overlap
Overall 57%
gemini-flash-latest
Google
In $0.3000 / 1M tokens
Out $2.5000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Exact I/O shape
Overall 57%
o3-2025-04-16
Azure
In $2.2000 / 1M tokens
Out $8.8000 / 1M tokens
pdfurl
Output: text
VisionFunction callingTool choicePrompt caching
100.0K
Partial I/O overlap
Overall 54%
gpt-4.1-2025-04-14
Azure
In $2.2000 / 1M tokens
Out $8.8000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
32.8K
Partial I/O overlap
Overall 54%
gemini-2.5-flash-lite-preview-06-17
vertex_ai-language-models
In $0.1000 / 1M tokens
Out $0.4000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Exact I/O shape
Overall 53%
gemini-flash-lite-latest
Google
In $0.1000 / 1M tokens
Out $0.4000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Exact I/O shape
Overall 53%
gemini-2.5-flash-lite-preview-06-17
Google
In $0.1000 / 1M tokens
Out $0.4000 / 1M tokens
pdfurl
Output: text
VisionFunction callingParallel function callingTool choice
65.5K
Exact I/O shape
Overall 53%
grok-4.20-reasoning
Vertex AI
In $2.0000 / 1M tokens
Out $6.0000 / 1M tokens
pdfurl
Output: unknown
VisionFunction callingTool choiceReasoning
2.0M
Same provider
Overall 26%
grok-4.20-non-reasoning
Vertex AI
In $2.0000 / 1M tokens
Out $6.0000 / 1M tokens
pdfurl
Output: unknown
VisionFunction callingTool choiceResponse schema
2.0M
Same provider
Overall 24%
glm-4.5-x
zai
In $2.2000 / 1M tokens
Out $8.9000 / 1M tokens
pdfurl
Output: unknown
Function callingTool choice
N/A
Partial I/O overlap
Overall 21%