Open AI Foundation Models Index

AI Foundation Models & LLM Specifications

Cataloged specifications and pricing snapshots per 1M tokens, prompt caching rates, and tool-calling support. Discover which models best power your MCP tools and agent loops.

610

Foundation Models

467

MCP Tool-Call Ready

350

Reasoning & Thinking

317

Open Weights (HuggingFace)

View all 232 providers →

Showing 325-360 of 610 models

DeepSeek Chat
deepseek/deepseek-chat•DeepSeek
1M ctx

DeepSeek chat model for instruction following, coding, and analysis

384K out maxAider Polyglot: 70.2 percent correct
In: $0.10 • Out: $0.42
DeepSeek
DeepSeek Reasoner
deepseek/deepseek-reasoner•DeepSeek
1M ctx

DeepSeek reasoning model for multi-step analysis, math, coding, and tools

384K out maxAider Polyglot: 74.2 percent correct
In: $0.56 • Out: $1.68
DeepSeek
Trinity Mini
arcee-ai/trinity-mini•Arcee-ai
131.1K ctx

Reasoning-tuned 26B MoE model with 3B active parameters for agents, tools, and multi-step workloads

131.1K out max
In: $0.04 • Out: $0.15
Arcee-ai
Trinity Nano Preview
arcee-ai/trinity-nano-preview•Arcee-ai
131.1K ctx

Experimental chat-tuned 6B MoE model with 1B active parameters for low-resource chat and instruction following

131.1K out max
In: Free • Out: Free
Arcee-ai
DeepSeek V3.2
deepseek/deepseek-v3.2•DeepSeek
128K ctx

Hybrid-reasoning DeepSeek model with thinking and non-thinking modes, sparse attention, and tool-use

64K out max
In: $0.50 • Out: $1.50
DeepSeek
GPT-Image-1.5
openai/gpt-image-1.5•OpenAI
128K ctx

Image model for prompt-driven generation, editing, and visual design workflows

4.1K out maxVision
In: $5.00 • Out: $32.00
OpenAI
Claude Opus 4.5
anthropic/claude-opus-4-5-20251101•Anthropic
200K ctx

Flagship Claude model for deep reasoning, coding, and long-horizon agents

64K out maxVisionPDFSWE-Bench Pro: 45.89 resolve rate
In: $5.00 • Out: $25.00
Anthropic
Claude Opus 4.5 (latest)
anthropic/claude-opus-4-5•Anthropic
200K ctx

Flagship Claude model for deep reasoning, coding, and long-horizon agents

64K out maxVisionPDF
In: $5.00 • Out: $25.00
Anthropic
Nano Banana Pro Preview
google/gemini-3-pro-image-preview•Google
65.5K ctx

Nano Banana Pro for higher-fidelity image generation and design-heavy edits

32.8K out maxVision
In: $2.00 • Out: $120.00
Google
Grok 4.1 Fast
xai/grok-4.1-fast•xAI
2M ctx

xAI's fast agentic tool-calling model with a 2M context window; non-reasoning variant for low-latency responses

30K out maxVision
In: $0.20 • Out: $0.50
xAI
Grok 4.1 Fast (Reasoning)
xai/grok-4.1-fast-reasoning•xAI
2M ctx

xAI's fast agentic tool-calling model with a 2M context window and built-in reasoning

30K out maxVision
In: $0.20 • Out: $0.50
xAI
Gemini 3 Pro Preview
google/gemini-3-pro-preview•Google
1M ctx

Preview Gemini flagship for complex reasoning, coding, and rich multimodal prompts

65.5K out maxVisionPDFSWE-Bench Pro: 43.3 resolve rate
In: $0.57 • Out: $3.43
Google
GPT-5.1
openai/gpt-5.1•OpenAI
400K ctx

Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

128K out maxVision
In: $1.25 • Out: $10.00
OpenAI
GPT-5.1 Codex
openai/gpt-5.1-codex•OpenAI
400K ctx

Codex GPT for repository edits, code review, and practical software agents

128K out maxVision
In: $1.25 • Out: $10.00
OpenAI
GPT-5.1 Codex Max
openai/gpt-5.1-codex-max•OpenAI
400K ctx

Coding-optimized GPT model for repository edits, reviews, and agentic software work

128K out maxVision
In: $2.50 • Out: $20.00
OpenAI
GPT-5.1 Codex mini
openai/gpt-5.1-codex-mini•OpenAI
400K ctx

Coding-optimized GPT model for repository edits, reviews, and agentic software work

128K out maxVision
In: $0.25 • Out: $2.00
OpenAI
GPT-5.1 Chat
openai/gpt-5.1-chat-latest•OpenAI
128K ctx

Chat-tuned GPT-5.1 for polished assistants, writing, and product conversations

16.4K out maxVision
In: $1.25 • Out: $10.00
OpenAI
Kimi K2 Thinking
moonshotai/kimi-k2-thinking•Moonshot AI
262.1K ctx

Thinking Kimi model for slower research passes, planning, and hard technical questions

262.1K out maxSWE-Bench Verified: 71.3 resolved
In: $0.60 • Out: $2.50
Moonshot AI
Kimi K2 Thinking Turbo
moonshotai/kimi-k2-thinking-turbo•Moonshot AI
262.1K ctx

Kimi reasoning model for long-horizon research, planning, and tool use

262.1K out max
In: $1.15 • Out: $8.00
Moonshot AI
GPT OSS Safeguard 120B
openai/gpt-oss-safeguard-120b•OpenAI
131.1K ctx

Safety model for policy screening, moderation, and risk-aware routing workflows

32.8K out max
In: $0.18 • Out: $0.70
OpenAI
GPT OSS Safeguard 20B
openai/gpt-oss-safeguard-20b•OpenAI
131.1K ctx

Safety model for policy screening, moderation, and risk-aware routing workflows

131.1K out max
In: $0.07 • Out: $0.30
OpenAI
Llama 3.1 Nemotron Safety Guard 8B v3
nvidia/llama-3.1-nemotron-safety-guard-8b-v3•NVIDIA
128K ctx

Safety model for policy screening, moderation, and risk-aware routing workflows

4.1K out max
In: Free • Out: Free
NVIDIA
Nemotron Nano 12B v2 VL
nvidia/nemotron-nano-12b-v2-vl•NVIDIA
128K ctx

Nemotron multimodal model for visual reasoning and agentic AI workflows

128K out maxVision
In: $0.20 • Out: $0.60
NVIDIA
MiniMax-M2
minimax/MiniMax-M2•MiniMax
204.8K ctx

Efficient open MiniMax model built for coding agents and tool-heavy workflows

131.1K out maxSWE-Bench Verified: 69.4 resolved
In: $0.30 • Out: $1.20
MiniMax
GPT-5 Image Mini
openai/gpt-5-image-mini•OpenAI
400K ctx

Image model for prompt-driven generation, editing, and visual design workflows

128K out maxVisionPDF
In: $2.50 • Out: $2.00
OpenAI
PaddleOCR VL
paddlepaddle/paddleocr-vl•Paddlepaddle
131.1K ctx

Compact vision-language model for multilingual document parsing, OCR, tables, formulas, and charts

16.4K out maxVision
In: $0.02 • Out: $0.02
Paddlepaddle
Llama Nemotron Embed 1B v2
nvidia/llama-nemotron-embed-1b-v2•NVIDIA
8.2K ctx

Multilingual text embedding model for retrieval and question answering pipelines

2K out max
In: Free • Out: Free
NVIDIA
Qwen3 VL Flash (Alibaba Cloud)
alibaba/qwen3-vl-flash•Alibaba
262.1K ctx

Qwen vision-language model for visual reasoning, documents, and agent tasks

32.8K out maxVision
In: $0.02 • Out: $0.21
Alibaba
Seed 1.6
bytedance-seed/seed-1-6•ByteDance Seed
256K ctx

ByteDance Seed model for long-context reasoning, instruction following, and tool-assisted tasks

64K out maxVision
In: $0.11 • Out: $1.14
ByteDance Seed
Claude Haiku 4.5
anthropic/claude-haiku-4-5-20251001•Anthropic
200K ctx

Fast Claude model for responsive assistance, classification, and lightweight agents

64K out maxVisionPDF
In: $1.00 • Out: $5.00
Anthropic
Claude Haiku 4.5 (latest)
anthropic/claude-haiku-4-5•Anthropic
200K ctx

Fast Claude lane for lightweight agents, office tasks, and responsive chat

64K out maxVisionPDFSWE-Bench Pro: 39.45 resolve rate
In: $1.00 • Out: $5.00
Anthropic
Veo 3.1 Fast Preview
google/veo-3.1-fast-generate-preview•Google
1K ctx

Video model for prompt-guided generation, editing, and motion workflows

4.1K out maxVision
In: Free • Out: Free
Google
Veo 3.1 Preview
google/veo-3.1-generate-preview•Google
1K ctx

Video model for prompt-guided generation, editing, and motion workflows

1 out maxVision
In: Free • Out: Free
Google
GPT-5 Image
openai/gpt-5-image•OpenAI
400K ctx

Image model for prompt-driven generation, editing, and visual design workflows

128K out maxVisionPDF
In: $10.00 • Out: $10.00
OpenAI
Gemini 2.5 Computer Use Preview
google/gemini-2.5-computer-use-preview-10-2025•Google
128K ctx

Specialized Gemini 2.5 model for browser-control agents that automate UI tasks

64K out maxVision
In: $1.25 • Out: $10.00
Google
GPT-5 Pro
openai/gpt-5-pro•OpenAI
400K ctx

Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning

272K out maxVision
In: $15.00 • Out: $120.00
OpenAI