The LLM Landscape 2026: Current Models and Players

The LLM landscape in late 2025 is more diverse than ever. Based on live OpenRouter API data, here’s what’s actually available now.

The Current State

Metric	Value
Total Models on OpenRouter	445
Max Context	1.05M tokens
Cheapest Input	Free (Ling 3.0 Flash VL)
Most Expensive	$50/1M output (GPT-6 Astra)

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Current Frontier Models

GPT-6 Series (OpenAI)

Model	Context	Input	Output	Notes
GPT-6 Astra	1.05M	$10/1M	$50/1M	Best reasoning, mandatory reasoning
GPT-6 Astra Pro	1.05M	$10/1M	$50/1M	Production variant
GPT-5.6 Sol	1.05M	$2/1M	$10/1M	Moderated, knowledge cutoff Feb 2026
GPT-5.6 Luna	1.05M	$0.20/1M	$1.20/1M	Budget option

Key Features:

• 1M context window standard
• Web search available ($0.01/request)
• Reasoning: 5 effort levels
• Knowledge cutoff: February 2026

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Claude Fable 5.1 (Anthropic)

Model	Context	Input	Output	Notes
Claude Fable 5.1	1M	$10/1M	$50/1M	Latest flagship
Claude Fable 5.1 Batch	1M	$5/1M	$25/1M	Batch processing

Key Features:

• Latest Claude model (replaces Claude 3.5/4)
• 1M context
• Best for coding and safety

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Gemini 3.8 Series (Google)

Model	Context	Input	Output	Notes
Gemini 3.8 Flash	1.05M	$0.75/1M	$3.75/1M	Fast, cheap

Key Features:

• Latest Google model (replaces Gemini 1.5/2.5)
• 1M context standard
• Native multimodal

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DeepSeek V4.1 (DeepSeek)

Model	Context	Input	Output	Notes
DeepSeek V4.1 Flash	1.05M	$0.15-$0.30/1M	$0.60-$1.20/1M	Time-based pricing
DeepSeek V4 Pro	1.05M	$0.70/1M	$2.96/1M	Higher quality

Key Features:

• Causal Encoder-Decoder (CED) architecture
• 8B params on input, 16B on output
• Time-of-day pricing (cheaper off-peak, free weekends)
• Best value for reasoning

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Other Notable Models

Model	Context	Input	Output	Notes
Qwen 3.8 Max	1M	$2/1M	$6/1M	Alibaba, multilingual
Sakana Fugu Ultra	1M	$5/1M	$30/1M	Multi-agent orchestration
Ling 3.0 Flash VL	128K	$0.06/1M	$0.18/1M	Free version available
Meta Muse Spark 1.3	1.05M	$0.10/1M	$0.20/1M	Open-source
Mercury 2.5	260K	$0.04/1M	$0.15/1M	Fast, high-volume

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What Changed (Old → New)

Category	Old Model	Current Model	Improvement
OpenAI Flagship	GPT-4o	GPT-6 Astra	1M context, reasoning
Anthropic Flagship	Claude 3.5 Sonnet	Claude Fable 5.1	Better coding, 1M context
Google Flagship	Gemini 1.5 Pro	Gemini 3.8 Flash	Faster, 1M context
Best Value	DeepSeek V3	DeepSeek V4.1	2x better, still 1/50th cost
Open Source	Llama 3.1	Meta Muse Spark	Newer, cheaper
Budget	GPT-4o-mini	GPT-5.6 Luna	10x cheaper

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OpenRouter Auto-Router

Use openrouter/auto to automatically get the best model for your prompt:

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer sk-or-..." \
  -d '{"model": "openrouter/auto", "messages": [{"role": "user", "content": "Hello"}]}'

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Key Takeaways

1. 1M context is now standard on premium models
2. GPT-6 Astra is OpenAI’s latest (not GPT-4o or GPT-5)
3. Claude Fable 5.1 is Anthropic’s latest (not Claude 3.5)
4. DeepSeek V4.1 offers the best quality per dollar
5. Free models are available (Ling 3.0 Flash VL)
6. 445 models available through one OpenRouter API

The LLM landscape moves fast. Always verify current pricing at https://openrouter.ai/models