FirstStep One

One secure desktop application for private AI chat, coding, agents, and research, connected to your own private, on-premise AI workstation.

Download for Windows Free 7-day Trial

Models

FirstStep One now offers support for the following reasoning and coding LLM models:

Fast Conversational Model

Fast, responsive AI for everyday chat and general business tasks.

Model Gemma 2 9B
Vendor Google
Modality
Parameters9B
Size (VRAM)8.0 GB
License🔓 Apache License 2.0
Available inFirstStep One Yes
FirstStep Benchmark Scores
Average Latency0.86s
Math100% (30/30)
Reasoning60% (27/45)
Coding91% (57/63)
Computer Science100% (30/30)
Instruction Following80% (12/15)
Overall85%

Advanced Reasoning Model

Advanced reasoning and analysis for complex business questions.

Model Gemma 4 26B
Vendor Google
Modality
Parameters26B
Size (VRAM)20.9 GB
License🔓 Apache License 2.0
Available inFirstStep One Yes
FirstStep Benchmark Scores
Average Latency2.48s
Math100% (30/30)
Reasoning91% (41/45)
Coding100% (63/63)
Computer Science100% (30/30)
Instruction Following100% (15/15)
Overall98%

Fast Coding Model

Fast coding assistance for development tasks and software design.

Model Qwen3-Coder 30B
Vendor Qwen
Modality
Parameters30.5B
Size (VRAM)18.7 GB
License🔓 Apache License 2.0
Available inFirstStep One Yes
FirstStep Benchmark Scores
Average Latency—
Math—
Reasoning—
Coding—
Computer Science—
Instruction Following—
Overall—

Image Generation Model

Fast image generation and editing for creative and visual workflows.

Model FLUX.2-klein-4B
VendorBlack Forest Labs
Modality
Parameters4B
Size (VRAM)~13 GB
License🔓 Apache License 2.0
Available inFirstStep One Yes
FirstStep Benchmark Scores
100 × 100~1.24s
512 × 512~2.93s
1024 × 1024~9.64s

Audio Transcription Model

Fast, multilingual speech-to-text for audio recordings.

Model Whisper Large V3
VendorOpenAI
Modality
Parameters1.55B
Size (VRAM)~4 GB
License🔓 Apache License 2.0
Available inFirstStep One Yes
FirstStep Benchmark Scores
10s audio0.3s transcription
30s audio0.8s transcription
300s audio5.7s transcription

Image Editing

Details coming soon...

New models are regularly tested and added, including models for image and audio processing.

MCP Tools

FirstStep One provides AI tools, including:

Internet access

For web searches, page content retrieval, and JSON data queries.

Source-aware research

Including source URLs when online information is used.

Project file operations

Including reading, creating, editing, moving, renaming, and deleting files.

Folder operations

Including directory creation, listing, tree views, and deletion.

Command execution

Within the active coding project.

Start your free 7-day trial today!

FirstStep One

FirstStep One is a desktop application connected to your private, on-premise AI workstation. It gives your team access to AI tools including chat, coding, and AI agents.

Step 1: Download

Available for Windows. Ubuntu and macOS coming soon.

Step 2: Get your Key

Log in to platform.firststep.ai to get a 7-day Trial Key.

FirstStep One for Windows

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