2026 AI Model Guide
Text • Image • Voice • Video
Compare leading AI models as of October 2026. Check model IDs, pricing boundaries, and best-fit workloads for Claude Opus 5.5, GPT-6.1 Sol, Gemini 3.8 Flash, and more.
- 15AI Models
- 4Categories
- Oct 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.
GPT-6 Astra
OpenAI's most capable model for complex coding, research, computer use and documents, with image input and tool use.
Key Features
Updated
2026-10
GPT-6.1 Sol
Near-Astra performance at a lower price for complex coding, computer use and professional work.
Key Features
Updated
2026-10
Claude Fable 5.1
Anthropic's model for demanding reasoning and long-horizon agentic work, or when Opus 5.5 at higher effort still falls short.
Key Features
Updated
2026-10
Claude Opus 5.5
Released Sep 22, 2026. Anthropic's recommended starting point for most workloads, built for long-running agentic coding and knowledge work.
Key Features
Updated
2026-10
Claude Sonnet 5.5
Anthropic's best combination of speed and intelligence, for production coding and everyday agent tasks.
Key Features
Updated
2026-10
Gemini 3.8 Flash
Google's most intelligent Flash model, built for long-horizon software engineering; accepts text, images, video, audio and PDFs.
Key Features
Updated
2026-10
Image Generation AI
Current image generation and editing models for complex instructions, typography, multi-reference work, and production asset workflows.
GPT Image 2.5 Sunburst
OpenAI's most capable image model (Sep 8, 2026) for generation and editing where edit precision matters; Flare is the faster everyday variant.
Key Features
Updated
2026-10
FLUX 3 Image
BFL's newest image model (GA Oct 1, 2026): generate, edit specific regions and combine up to 10 references through one endpoint.
Key Features
Updated
2026-10
Nano Banana Pro
Studio-quality 4K visuals and text rendering for complex visual instructions and brand-consistent design.
Key Features
Updated
2026-10
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
2026-10
Gemini 3.8 Live
Google's default Live API model (Sep 2026) for low-latency voice agents; recommended replacement for Gemini 3.1 Flash Live.
Key Features
Updated
2026-10
Eleven v4
ElevenLabs' flagship speech model: expressive multi-speaker dialogue and high-fidelity voice cloning in 90+ languages.
Key Features
Pricing
Updated
2026-10
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
Google's default video model and the official replacement for Veo 3.1 previews, which shut down on Oct 22, 2026; refine clips in conversation.
Key Features
Pricing
Updated
2026-10
FLUX 3 Video
Text-to-video, image-to-video and continuation with synchronized audio in one request: 5–20 seconds, up to 4K.
Key Features
Updated
2026-10
Seedance 2.5
Joint audio-video generation up to 30 seconds, with reference control, extension and targeted editing.
Key Features
Pricing
Updated
2026-10
Latest articles
New and recently updated guides, comparisons and fixes, newest first.
- ChatGPT
ChatGPT Plus Trial 2026: No Public Free Trial—Here's Who Gets One
No button starts a free Plus trial. US students can claim four free months by October 31, 2026; others need a veteran claim, invite, partner code or $0 offer.
- Troubleshooting
Claude 529 Overloaded Error: What It Means and How to Fix It (2026)
Claude Code retries a 529 for about 160 seconds before you see it. Capacity is per model, so switching models usually works; a 429 or 500 needs another fix.
- OpenAI Codex
Failed to Start Codex App-Server on Windows: Fixes by Error Text
The exact text decides the fix: repair a path an update broke, lighten a slow start, find the crash, update the CLI to 0.162.1 or see if only cloud tasks fail.
- AI Model Comparison
Gemini 4 Argon vs Claude Opus 5.5 vs Sonnet 5.5: Which to Use
Argon is $2/$10 per million tokens through November 30, 2026, then $4/$20. Here is where you can run it on your plan and what each Claude tier costs next to it.
- AI Model Comparison
Gemini 4 Argon vs Gemini 3.1 Pro: Cost per Task and When to Switch
Argon undercuts 3.1 Pro per token only until November 30. Per task, it depends on thinking tokens. How to measure your ratio and what breaks when you switch.
- AI Model Comparison
Gemini API vs OpenAI vs Claude: Complete 2026 Cost Decision Guide
Gemini isn't cheapest everywhere: Luna and Haiku 5.5 tie 2.5 Flash-Lite (past 2.5 users only) on input and beat 3.1 Flash-Lite; Sol and Sonnet 5.5 beat 3.1 Pro.
- Pricing & Plans
Claude Startup Credits Paused: Who Qualifies and What $1,000 Buys
Claimed before October 9? Nothing changes, but a $1,000 credit needs about $167 a month of use before it expires. Unclaimed approvals are being re-reviewed.
- Pricing & Plans
Cheap Gemini API or Better Alternative? When Switching Saves Money
Leaving Gemini 2.5 Flash-Lite (past 2.5 users only) rarely saves money; from 3.1 Flash-Lite or 3.x Flash, GPT-6 Luna, Haiku 5.5 or Groq cut a text bill 60%+.
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
gpt-6-astragpt-6.1-solclaude-fable-5-1Pricing 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