Gemini 3.5 Flash
Googleai.google.dev/gemini-api/docs/models/gemini-3.5-
Our legacy Flash model, providing baseline speed and foundational performance for routine, high-throughput workloads.
Updated 2 h ago · first seen 11 Sept 2026
model_01M293V7SSHKYPK7DZ0A8A1T9H
- Context
- 1.05M tokens
- T1 · 2 h ago
- Released
- 19 May 2026
- T2 · 2 h ago
- Knowledge cutoff
- Jan 2025
- T2 · 2 h ago
Specification
- Family
- Gemini
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Release date
- 19 May 2026
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Status
- active
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Context window
- 1.05M tokens
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Max output
- 65.5K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Knowledge cutoff
- Jan 2025
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Modalities
- audio, image, pdf, text, video
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Input modalities
- text, image, video, audio, pdf
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Output modalities
- text
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- API model id
- gemini-3.5-flash
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Official page
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Capabilities
- Caching, Code execution, Computer use, File search, Function calling, Grounding with Google Maps, Search grounding, Structured outputs, Thinking, URL context
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- File input
- Yes
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Latest update
- 2026-05
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Openrouter id
- google/gemini-3.5-flash
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Supported parameters
- include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Versions
- {"stable":["gemini-3.5-flash"],"preview":["gemini-3-flash-preview"]}
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
24
Source tiers
T1T218 / 6
Freshest observation
2 h ago
Conflicts
2 flagged
Modalities
- Modalities
- audioimagepdftextvideo
- Input
- textimagevideoaudiopdf
- Output
- text
Capabilities
Tool calling
Yes
Google AI for Developers (Gemini API docs) · T1
Structured output
Yes
Google AI for Developers (Gemini API docs) · T1
Reasoning
Yes
Google AI for Developers (Gemini API docs) · T1
Vision
Yes
Google AI for Developers (Gemini API docs) · T1
Audio
Yes
Google AI for Developers (Gemini API docs) · T1
Fine-tuning available
Unavailable
- Context window
- 1.05M tokens
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Max output
- 65.5K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 2 h agohigh
- Knowledge cutoff
- Jan 2025
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Google Gemini APIgoogle/gemini-3.5-flash:batch | $0.75 | $4.5 | $0.075 | — | 1.05M | 2 h ago | openrouter.aiT2 |
| Google Gemini APIgemini-3.5-flash | $1.5 | $9 | $0.15 | $0.75 / $4.5 | — | 2 h ago | ai.google.devT1 |
| Google Gemini APIgoogle/gemini-3.5-flash | $1.5 | $9 | $0.15 | — | 1.05M | 2 h ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Google Gemini API
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Familyfamily1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Gemini | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Release daterelease_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 19 May 2026 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Statusstatus1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| active | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 1.05M tokens | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Max outputmax_output_tokens1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 65.5K tokens | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Knowledge cutoffknowledge_cutoff1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Jan 2025 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Modalitiesmodalities2conflicting claims
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| audio, image, text, video | → current | conflicting | OpenRouter public model & pricing listingT2 | medium | deterministic |
| audio, image, pdf, text, video | → current | current | Google AI for Developers (Gemini API docs)T1 | conflicted | deterministic |
Input modalitiesmodalities_input2conflicting claims
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| audio, image, text, video | → current | conflicting | OpenRouter public model & pricing listingT2 | medium | deterministic |
| text, image, video, audio, pdf | → current | current | Google AI for Developers (Gemini API docs)T1 | conflicted | deterministic |
Output modalitiesmodalities_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Tokenizertokenizer1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Gemini | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
API model idapi_model_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| gemini-3.5-flash | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Official pageofficial_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://ai.google.dev/gemini-api/docs/models/gemini-3.5-flash | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Audioaudio1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Capabilitiescapabilities1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Caching, Code execution, Computer use, File search, Function calling, Grounding with Google Maps, Search grounding, Structured outputs, Thinking, URL context | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Our legacy Flash model, providing baseline speed and foundational performance for routine, high-throughput workloads. | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
File inputfile_input1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Latest updatelatest_update1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2026-05 | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Openrouter idopenrouter_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| google/gemini-3.5-flash | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Reasoningreasoning1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Structured outputstructured_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Supported parameterssupported_parameters1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tool callingtool_calling1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Versionsversions1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| {"stable":["gemini-3.5-flash"],"preview":["gemini-3-flash-preview"]} | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Visionvision1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | Google AI for Developers (Gemini API docs)T1 | high | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Google Gemini API lists Gemini 3.5 Flash at $0.75 in / $4.5 out per 1M tokens
openrouterGoogle Gemini API lists Gemini 3.5 Flash at $1.5 in / $9 out per 1M tokens
openrouterGoogle Gemini API lists Gemini 3.5 Flash at $1.5 in / $9 out per 1M tokens
google
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models/gemini-3.5-flash | model_page | T1· Official | 2 h ago | 3 |
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models | model_docs | T1· Official | 2 h ago | 3 |
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/pricing | pricing | T1· Official | 2 h ago | 3 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 2 h ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.