Long-form output (32k tokens)

What AI can do for this task

Generate very long outputs (up to about 32,000 tokens) in a single response, such as long reports or full documents. The threshold describes this use case only. A declared output limit of 32k tokens does not guarantee that such a long text stays coherent or of good quality; that is not measured yet.

Technical requirements

AI offerings and technical compatibility

Of 20 offerings in the catalog: 18 compatible, 0 unknown, 2 incompatible.

Compatible
the technical requirements are met according to the available information.
Unknown
the available information is not enough to decide. This is not the same as incompatible.
Incompatible
at least one requirement is known not to be met.

Within each group, offerings are listed alphabetically by producer and model. The order says nothing about quality.

Compatible 18

Offerings and their requirement checks
ModelVersionOffering (access)RequirementsSource
Claude Haiku 4.5
Anthropic
claude-haiku-4-5 OpenRouter
anthropic/claude-haiku-4.5
  • Output of at least 32,000 tokens in one response: satisfied, 64,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Claude Opus 4.8
Anthropic
claude-opus-4-8 OpenRouter
anthropic/claude-opus-4.8
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Claude Opus 5.5
Anthropic
claude-opus-5-5 OpenRouter
anthropic/claude-opus-5.5
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Claude Sonnet 5.5
Anthropic
claude-sonnet-5-5 OpenRouter
anthropic/claude-sonnet-5.5
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
DeepSeek V4 Pro
DeepSeek
deepseek-v4-pro OpenRouter
deepseek/deepseek-v4-pro-0813
  • Output of at least 32,000 tokens in one response: satisfied, 393,216 tokens according to OpenRouter API
OpenRouter API 2026-10-06
DeepSeek V4.1 Flash
DeepSeek
deepseek-v4.1-flash OpenRouter
deepseek/deepseek-v4.1-flash
  • Output of at least 32,000 tokens in one response: satisfied, 943,718 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Gemini 3.1 Pro (Preview)
Google
gemini-3.1-pro-preview OpenRouter
google/gemini-3.1-pro-preview
  • Output of at least 32,000 tokens in one response: satisfied, 65,536 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Gemini 3.8 Flash
Google
gemini-3.8-flash OpenRouter
google/gemini-3.8-flash
  • Output of at least 32,000 tokens in one response: satisfied, 65,536 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Ministral 3 8B
Mistral AI
v25.12 OpenRouter
mistralai/ministral-8b-2512
  • Output of at least 32,000 tokens in one response: satisfied, 209,715 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Mistral Large 3
Mistral AI
v25.12 OpenRouter
mistralai/mistral-large-2512
  • Output of at least 32,000 tokens in one response: satisfied, 209,715 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Mistral Medium 3.5
Mistral AI
v26.04 OpenRouter
mistralai/mistral-medium-3-5
  • Output of at least 32,000 tokens in one response: satisfied, 209,715 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Mistral Small 4
Mistral AI
v26.03 OpenRouter
mistralai/mistral-small-2603
  • Output of at least 32,000 tokens in one response: satisfied, 209,715 tokens according to OpenRouter API
OpenRouter API 2026-10-06
GPT-6 Astra
OpenAI
gpt-6-astra OpenRouter
openai/gpt-6-astra
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
GPT-6 Luna
OpenAI
gpt-6-luna OpenRouter
openai/gpt-6-luna
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
GPT-6.1 Sol
OpenAI
gpt-6.1-sol OpenRouter
openai/gpt-6.1-sol
  • Output of at least 32,000 tokens in one response: satisfied, 128,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Qwen3.8 2.4T-A95B
Qwen (Alibaba)
Qwen3.8-2.4T-A95B OpenRouter
qwen/qwen3.8-2.4t-a95b
  • Output of at least 32,000 tokens in one response: satisfied, 131,072 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Qwen3.8 27B
Qwen (Alibaba)
Qwen3.8-27B OpenRouter
qwen/qwen3.8-27b
  • Output of at least 32,000 tokens in one response: satisfied, 131,072 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Grok 4.7
xAI
grok-4.7 OpenRouter
x-ai/grok-4.7
  • Output of at least 32,000 tokens in one response: satisfied, 450,000 tokens according to OpenRouter API
OpenRouter API 2026-10-06

Incompatible 2

Offerings and their requirement checks
ModelVersionOffering (access)RequirementsSource
Llama 4 Maverick
Meta
Llama-4-Maverick-17B-128E-Instruct OpenRouter
meta-llama/llama-4-maverick
  • Output of at least 32,000 tokens in one response: missing, 16,384 tokens according to OpenRouter API
OpenRouter API 2026-10-06
Llama 4 Scout
Meta
Llama-4-Scout-17B-16E-Instruct OpenRouter
meta-llama/llama-4-scout
  • Output of at least 32,000 tokens in one response: missing, 16,384 tokens according to OpenRouter API
OpenRouter API 2026-10-06

How much can you trust this comparison?

Technical compatibility is not a measure of answer quality.

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