Verified Model Specifications Index

AI Model Directory

Compare source-backed model specifications, availability, context limits, output limits and verified public API pricing where present.

Provider:
OpenAI

GPT-5.6 Terra

Category · Reasoning & Multimodal

OpenAI GPT-5.6 Terra, a GPT-5.6 model positioned for workloads balancing intelligence and cost.

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$2.00
Output Price / 1M$12.00
Native input
textimage
Meta

Muse Spark 1.2

Category · Agentic Multimodal

Meta Muse Spark 1.2, a coding-focused model available through Meta Model API with multimodal capabilities.

Context WindowNot published
Max OutputNot published
Input Price / 1MNot verified
Output Price / 1MNot verified
Google

Gemini 2.5 Flash-Lite

Category · AI Model

Google's stable cost-efficient multimodal Gemini 2.5 model for high-volume, low-latency workloads.

Context Window1,048,576 tokens
Max Output65,536 tokens
Input Price / 1M$0.1000
Output Price / 1M$0.4000
Native input
textimagevideoaudiopdf
GooglePreview

Gemini 3.1 Pro Preview

Category · Reasoning & Multimodal

Google Gemini 3.1 Pro Preview, a multimodal preview model for software engineering and agentic workflows.

Context Window1,048,576 tokens
Max Output65,536 tokens
Input Price / 1M$2.00
Output Price / 1M$12.00
Native input
textimagevideoaudiopdf
OpenAI

GPT-5.6 Sol

Category · Reasoning & Multimodal

OpenAI GPT-5.6 Sol, the flagship model in the GPT-5.6 family.

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$4.00
Output Price / 1M$20.00
Native input
textimage
GoogleRestricted access

Gemini 3.8 Flash Cyber

Category · Cybersecurity AI

Google's restricted-access Gemini 3.8 cyber variant for defensive vulnerability discovery, remediation, and security research through the Fairwind Program.

Context WindowNot published
Max OutputNot published
Input Price / 1MNot verified
Output Price / 1MNot verified
Anthropic

Claude Fable 5

Category · Reasoning & Multimodal

Anthropic Claude Fable 5, a Claude API model for demanding reasoning and long-horizon agentic work.

Context Window1M tokens
Max Output128K tokens
Input Price / 1M$10.00
Output Price / 1M$50.00
Native input
textimage
OpenAI

GPT-5.6 Luna

Category · Efficient Multimodal

OpenAI GPT-5.6 Luna, a GPT-5.6 model positioned for cost-sensitive, high-volume workloads.

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$0.2000
Output Price / 1M$1.20
Native input
textimage
OpenAI

GPT-6 Astra

Category · AI Model

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$10.00
Output Price / 1M$50.00
Native input
textimage
GoogleGeneral availability

Gemini 3.7 Flash

Category · Fast Multimodal

Google Gemini 3.7 Flash, a generally available multimodal Gemini API model for coding and agentic workflows.

Context Window1,048,576 tokens
Max Output65,536 tokens
Input Price / 1M$0.7500
Output Price / 1M$3.75
Native input
textimagevideoaudiopdf
SpaceXAI

Grok 4.6

Category · Reasoning & Multimodal

SpaceXAI Grok 4.6, an API model for coding, agentic tasks, and knowledge work.

Context Window500K tokens
Max OutputNo text output limit
Input Price / 1M$2.00
Output Price / 1M$6.00
Native input
textimage
OpenAI

GPT-6 Luna

Category · Reasoning & Multimodal

OpenAI GPT-6 Luna, optimized for focused, high-volume tasks.

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$0.1000
Output Price / 1M$0.5000
Native input
textimage
DeepSeekOpen Weights

DeepSeek V4 Pro

Category · Reasoning & Coding

DeepSeek V4 Pro, an API model supporting thinking and non-thinking modes.

Context Window1M tokens
Max Output384K tokens
Input Price / 1M$1.32
Output Price / 1M$3.96
AnthropicRestricted access

Claude Mythos 5.1

Category · AI Model

Restricted-access deployment sharing Claude Fable 5.1 capabilities for vetted Project Glasswing participants.

Context Window1M tokens
Max Output128K tokens
Input Price / 1M$10.00
Output Price / 1M$50.00
Native input
TextImages
OpenAI

GPT-6 Sol

Category · Reasoning & Multimodal

OpenAI GPT-6 Sol, built for complex coding and agentic workflows.

Context Window1,050,000 tokens
Max Output128,000 tokens
Input Price / 1M$2.00
Output Price / 1M$10.00
Native input
textimage
Moonshot AIOpen Weights

Kimi K3

Category · Reasoning & Multimodal

Moonshot AI Kimi K3, an open-weight native multimodal model available through the Kimi API.

Context Window1,048,576 tokens
Max OutputNot published
Input Price / 1MCN¥20.00
Output Price / 1MCN¥100.00
Native input
textimagevideo
Mistral AIOpen WeightsGeneral availability

Mistral Small 4

Category · AI Model

Mistral's efficient open-weight hybrid model combining instruct, reasoning, coding, agentic and multimodal capabilities.

Context Window256K tokens
Max OutputNot published
Input Price / 1M$0.1500
Output Price / 1M$0.6000
Native input
textimage
Mistral AIOpen WeightsGeneral availability

Mistral Medium 3.5

Category · Multimodal & Coding

Mistral Medium 3.5, an open-weight multimodal model for agentic and coding use cases.

Context Window256K tokens
Max OutputNot published
Input Price / 1M$1.50
Output Price / 1M$7.50
Z.ai

GLM-5.3

Category · Reasoning & Coding

Z.ai GLM-5.3, a coding-focused model with always-on thinking and API access.

Context Window1M tokens
Max OutputNot published
Input Price / 1MNot verified
Output Price / 1MNot verified
GoogleGeneral availability

Gemini 3.8 Flash

Category · Fast Multimodal

Google Gemini 3.8 Flash, a generally available multimodal Gemini model for long-horizon software engineering, autonomous agents, and complex knowledge workflows.

Context Window1,048,576 tokens
Max Output65,536 tokens
Input Price / 1M$0.7500
Output Price / 1M$3.75
Native input
textimagevideoaudiopdf
Alibaba Cloud

Qwen3.8-Max

Category · Reasoning & Multimodal

Alibaba Cloud Qwen3.8-Max, a multimodal Model Studio API model with text, image, and video input.

Context Window1,000,000 tokens
Max Output131,072 tokens
Input Price / 1M$1.65
Output Price / 1M$4.95
Native input
textimagevideo
AnthropicActive

Claude Fable 5.1

Category · AI Model

Anthropic's frontier model for demanding reasoning, long-horizon agentic coding, multistep research and complex knowledge work.

Context Window1M tokens
Max Output128K tokens
Input Price / 1M$10.00
Output Price / 1M$50.00
Native input
TextImages
Anthropic

Claude Sonnet 5.5

Category · Reasoning & Agentic

Anthropic's Claude Sonnet 5.5, a mid-tier model optimized for fast, efficient coding, knowledge work and agentic workflows.

Context Window1,000,000 tokens
Max Output128,000 tokens
Input Price / 1M$2.00
Output Price / 1M$10.00
Native input
textimage
Anthropic

Claude Sonnet 5

Category · Reasoning & Coding

Anthropic Claude Sonnet 5, a Claude API model positioned as a balance of speed and intelligence.

Context Window1M tokens
Max Output128K tokens
Input Price / 1M$2.00
Output Price / 1M$10.00
Native input
textimage
Anthropic

Claude Opus 5

Category · Reasoning & Coding

Anthropic Claude Opus 5, a Claude API model for complex agentic coding and enterprise work.

Context Window1M tokens
Max Output128K tokens
Input Price / 1M$5.00
Output Price / 1M$25.00
Native input
textimage