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.
- Pricing & Plans
Cheap Gemini API or Better Alternative? When Switching Saves Money
Leaving Gemini 2.5 Flash-Lite rarely saves money; leaving Gemini 3.x Flash or Flash-Lite for GPT-6 Luna, Haiku 5.5 or Groq can cut a text bill by 60% or more.
- AI Model Comparison
ChatGPT Plus vs Gemini Advanced (Now Google AI Pro) for Coding
ChatGPT Plus ($20) includes Codex in the CLI, IDE and web; Google AI Pro ($19.99), the plan that replaced Gemini Advanced, adds a 1M-token context window, Jules and 5 TB of storage.
- API Guides
Cheapest Gemini 3 Pro Image (Nano Banana Pro) API: Provider Prices and Hidden Costs
This guide (originally titled for "Nano Banana 2", the late-2025 nickname for Gemini 3 Pro Image) compares API providers, hidden costs and total cost of ownership; laozhang.ai lists $0.09 per call versus Google's $0.134-$0.24.
- Troubleshooting
How to Fix Claude API 429 Rate Limit Error: 8 Causes and Fixes
Check retry-after first. If present, wait, add jitter and pace traffic. If absent with enforced_spend_limit_reached, stop until a tier increase or the 1st.
- Pricing & Plans
Claude API Pricing Per Million Tokens (October 2026): $0.10–$50
Haiku 5.5 is the cheapest Claude model until a prompt passes 100K tokens; then every rate is 5x. Batch halves any price; cache hits cost 2.5–10% of input.
- API Guides
How to Use Prompt Caching in Claude API: Complete 2026 Guide with Code Examples
Master Claude API prompt caching with this comprehensive guide. Get production-ready code examples in Python and TypeScript, detailed cost calculations, and expert troubleshooting tips to optimize your API usage.
- API Guides
Claude API Quota Tiers and Limits Explained: Start, Build, Scale
Anthropic assigns usage tiers automatically: Start caps monthly spend at $500, Build at $1,000, Scale at $200,000. Cache reads don't count toward ITPM.
- Claude Code
Claude Code Pricing: Pro vs Max and When the Upgrade Pays Off
Start Claude Code on Pro at $20. Pay $100 or $200 for Max only when limits keep stopping your work after you've checked the model, context and billing account.
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