2026 AI Model Guide
Text • Image • Voice • Video
Compare leading AI models as of September 2026. Check model IDs, pricing boundaries, and best-fit workloads for Claude Fable 5.1, GPT-6 Astra, Gemini 3.8 Flash, and more.
- 12AI Models
- 4Categories
- Sep 2026Last checked
AI Model Categories 2026
Text Generation AI
Current LLMs for demanding reasoning, coding, and agentic work, compared by official model ID, context, tools, API stage, and pricing.
Claude Fable 5.1
Demanding reasoning, long-running agents and multistep research when a general-purpose model falls short.
Key Features
Updated
2026-09
GPT-6 Astra
Complex coding, research and document work, with image input, tool use and structured outputs.
Key Features
Updated
2026-09
Gemini 3.8 Flash
Cost-conscious coding and multimodal analysis. Accepts text, images, video, audio and PDFs; returns text.
Key Features
Image Generation AI
Current image generation and editing models for complex instructions, typography, multi-reference work, and production asset workflows.
GPT Image 2
Image generation and editing for detailed instructions and faithful reference-based assets.
Key Features
Pricing
Updated
2026-09
FLUX.2 Pro
Multi-reference generation and editing for repeatable production of visual assets.
Key Features
Pricing
Updated
2026-09
Nano Banana Pro
Complex visual instructions, brand consistency and precise design; also called Nano Banana Pro.
Key Features
Pricing
Updated
2026-09
Voice Synthesis AI
Current models for realtime voice agents and TTS, spanning reasoning, tool use, multimodal context, interruption handling, and expressive speech.
GPT-Realtime-2.1
Interruptible speech-to-speech with reasoning and tool use for support and voice agents.
Key Features
Updated
2026-09
Gemini 3.1 Flash Live
Low-latency audio conversations and multimodal interaction through the Live API.
Key Features
Pricing
Updated
2026-09
Eleven v3
Expressive voiceovers, character dialogue and narration with audio tags to guide delivery.
Key Features
Pricing
Updated
2026-09
Video Generation AI
Current video generation and editing models for short clips with audio, conversational revisions, multimodal references, and API workflows.
Gemini Omni 1.1 Flash
Iterate on short videos with natural-language instructions and conversational editing.
Key Features
Pricing
Updated
2026-09
Veo 3.1
Short videos with synchronized audio and creative control; choose Standard, Fast or Lite for the production task.
Key Features
Pricing
Updated
2026-09
Seedance 2.5
Joint audio-video generation up to 30 seconds, with reference control, extension and targeted editing.
Key Features
Pricing
Updated
2026-09
Latest articles
New guides, comparisons and fixes, newest first.
- Claude AI
Fable 5.1 Not Available in Claude Code? Diagnose It by Symptom
Update to 2.1.257 or later, restart, then type /model claude-fable-5-1. If that works, only the picker is wrong. If it fails, the error names the cause.
- AI Model Comparison
Claude Opus 5.5 vs GPT-5.6 Sol: Same Price Tag, Different Bills
Opus 5.5 costs less above 272K input tokens and on cache reads; GPT-5.6 Sol writes about half the output per task. Already on Sol? Test GPT-6 Sol first.
- Claude Code
Claude Code Changelog: See What Changed Since Your Version
Latest was 2.1.280 and stable 2.1.267 as of September 23, 2026. See what changed since your version, trace a change to its release, and update or roll back.
- AI Tools
Claude Cowork Pricing: What You Actually Pay on Each Plan
There's no Cowork add-on to buy. Pick the plan whose allowance fits how much work you hand off, and know what extra usage costs before you hit the limit.
- AI Model Guide
Claude Opus 5.5: API Price, Model ID, and Migration Checks
Opus 5.5 has a lower direct API token rate than Opus 5, but an existing Messages API client may need more than a model ID change. Here is the price math and the compatibility check.
- AI Model Guide
Claude Opus 5.5 Effort: Choose a Level, Set It, and Measure the Cost
Start at medium for Opus 5.5, then move effort only when your own completed tasks justify the extra thinking, time, and cache cost.
- AI Models
GPT-6 Luna vs. Sol pricing: calculate the cost of your workload
Luna's listed token rates are one-twentieth of Sol's in matched API tiers. Here is the math for an actual request and the separate Codex credit comparison.
- AI Image Generation
GPT Image 2.5: Flare vs. Sunburst, Pricing, and API Examples
GPT Image 2.5 arrives as two models. Here is where each fits, what the identical token prices actually mean, and how to get a usable image file from the API.
What This Guide Helps You Verify
Shortlist by workload, then confirm the current API contract and price before integrating
Current Model IDs
Separates product names from callable API IDs
claude-fable-5-1gpt-6-astragemini-3.8-flashPricing Boundaries
Shows public API rates or the official pricing route
Availability Stage
Distinguishes GA, preview, and limited access
Workload Fit
Compares text, image, voice, and video jobs