FLONNO / MODEL INTELLIGENCE

Choose with evidence.

A source-linked model library for the decisions that matter: your task, your deployment and the quality of the final result.

CURRENT RELEASES AND REFERENCE EDITIONS

September and October 2026 guides lead this library. Earlier open-weight editions remain available as references. For continuously updated announcements and dated lifecycle updates, open the release radar.

24 model guides

OpenAI · HOSTED API

GPT-6.1 Sol↗

A September 2026 release for complex coding and professional work, available through Responses and Chat Completions.

Source release · Reviewed 2026-10-10

Coding agentsProfessional workTool workflows
Read model guide →
Anthropic · HOSTED API

Claude Sonnet 5.5↗

The September 2026 Sonnet release, announced across the Claude API and supported cloud platforms.

Source release · Reviewed 2026-10-10

Coding workflowsTool useKnowledge work
Read model guide →
Anthropic · HOSTED API

Claude Haiku 5.5↗

An October 2026 Claude release aimed at high-volume, latency-sensitive work, with adaptive thinking.

Source release · Reviewed 2026-10-10

High-volume workflowsStructured extractionLatency-sensitive tasks
Read model guide →
Anthropic · HOSTED API

Claude Opus 5.5↗

A September 2026 Claude release for long-running agentic coding and knowledge work.

Source release · Reviewed 2026-10-10

Long-running agentsRepository changesKnowledge work
Read model guide →
Google · HOSTED API

Gemini 3.8 Flash↗

A September 2026 generally available Gemini release for software engineering, agents and enterprise workflows.

Source release · Reviewed 2026-10-10

Software engineeringAutonomous agentsEnterprise workflows
Read model guide →
OpenAI · HOSTED API

GPT-6 Luna↗

A September 2026 reasoning model with text and image inputs and text output.

Source release · Reviewed 2026-10-10

Structured decisionsImage understandingHigh-volume evaluation
Read model guide →
OpenAI · HOSTED API

GPT-6 Sol↗

A September 2026 reasoning model with text and image inputs, introduced alongside GPT-6 Luna.

Source release · Reviewed 2026-10-10

Reasoning workflowsImage understandingCoding evaluation
Read model guide →
OpenAI · HOSTED API

GPT-6 Astra↗

A September 2026 GPT release for demanding work across reasoning, coding, computer use, research and documents.

Source release · Reviewed 2026-10-10

Complex reasoningComputer useResearch agents
Read model guide →
Google · HOSTED API

Nano Banana 2.1↗

An October 2026 image generation and conversational editing model in the Gemini family.

Source release · Reviewed 2026-10-10

Image generationConversational editingText rendering
Read model guide →
OpenAI · HOSTED API

GPT Image 2.5 Flare↗

A September 2026 image generation and editing release, positioned for everyday image workflows.

Source release · Reviewed 2026-10-10

Image generationProduct visualsImage editing
Read model guide →
OpenAI · HOSTED API

GPT Image 2.5 Sunburst↗

A September 2026 image generation and editing release, positioned for editing precision.

Source release · Reviewed 2026-10-10

Precise image editsVisual iterationImage generation
Read model guide →
Qwen · OPEN WEIGHTS

Qwen3 8B↗

A compact text model for experiments with limited local GPU memory.

Short classificationsStructured extractionLocal development
Read model guide →
Meta · OPEN WEIGHTS

Llama 4 Scout↗

An open-weight mixture-of-experts model with text and image inputs.

Image understandingLong-document evaluationMultimodal workflows
Read model guide →
Google · OPEN WEIGHTS

Gemma 3 27B↗

An instruction-tuned open-weight model with text and image inputs.

Image understandingOpen-weight experimentsText generation
Read model guide →
OpenAI · HOSTED API

GPT-4.1↗

A hosted model family introduced for coding and instruction following.

Coding evaluationInstruction-heavy tasksHosted API workflows
Read model guide →