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 469-504 of 610 models

Qwen3 8B
alibaba/qwen3-8b•Alibaba
32.8K ctx

Dense 8B Qwen3 model with switchable thinking for chat, reasoning, and tool use

32.8K out max
In: $0.18 • Out: $0.70
Alibaba
Llama Prompt Guard 2 22M
meta/llama-prompt-guard-2-22m•Meta
512 ctx

22M-parameter (DeBERTa-xsmall) English classifier that detects prompt injection and jailbreak attempts

512 out max
In: $0.03 • Out: $0.03
Meta
Llama Prompt Guard 2 86M
meta/llama-prompt-guard-2-86m•Meta
512 ctx

86M-parameter (mDeBERTa-base) multilingual classifier that detects prompt injection and jailbreak attempts

512 out max
In: $0.04 • Out: $0.04
Meta
Palmyra X5
writer/palmyra-x5•Writer
1M ctx

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

8.2K out maxVision
In: $0.60 • Out: $6.00
Writer
Qwen3 235B-A22B
alibaba/qwen3-235b-a22b•Alibaba
131.1K ctx

Large open Qwen MoE for multilingual reasoning, coding, and tool use

16.4K out maxAider Polyglot: 59.6 percent correct
In: $0.70 • Out: $2.80
Alibaba
Qwen3 30B A3B
alibaba/qwen3-30b-a3b•Alibaba
131.1K ctx

Sparse MoE Qwen model with 3B active parameters for efficient chat and reasoning

16.4K out max
In: $0.10 • Out: $0.30
Alibaba
Qwen3 32B
alibaba/qwen3-32b•Alibaba
131.1K ctx

Dense open Qwen model for self-hosted chat, reasoning, and coding

16.4K out maxAider Polyglot: 40 percent correct
In: $0.70 • Out: $2.80
Alibaba
GPT-Image-1
openai/gpt-image-1•OpenAI
128K ctx

OpenAI image model for production generation, edits, and brand-safe visual workflows

4.1K out maxVision
In: $5.00 • Out: $32.00
OpenAI
o3
openai/o3•OpenAI
200K ctx

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

100K out maxVisionPDFAider Polyglot: 81.3 percent correct
In: $2.00 • Out: $8.00
OpenAI
o4-mini
openai/o4-mini•OpenAI
200K ctx

Fast o-series model for compact reasoning, coding, and tool use

100K out maxVisionAider Polyglot: 72 percent correct
In: $1.10 • Out: $4.40
OpenAI
Llama 3.1 Nemotron 70B Instruct
nvidia/llama-3.1-nemotron-70b-instruct•NVIDIA
128K ctx

Nemotron model for efficient reasoning, coding, and specialized AI agents

8.2K out max
In: Free • Out: Free
NVIDIA
GPT-4.1
openai/gpt-4.1•OpenAI
1M ctx

Long-lived GPT workhorse for coding, instruction following, and production apps

32.8K out maxVisionPDFAider Polyglot: 52.4 percent correct
In: $2.00 • Out: $8.00
OpenAI
GPT-4.1 mini
openai/gpt-4.1-mini•OpenAI
1M ctx

Affordable GPT-4.1 lane for fast coding help and structured extraction

32.8K out maxVisionPDFAider Polyglot: 32.4 percent correct
In: $0.40 • Out: $1.60
OpenAI
GPT-4.1 nano
openai/gpt-4.1-nano•OpenAI
1M ctx

Tiny GPT-4.1 option for classification, routing, and very high-volume tasks

32.8K out maxVisionAider Polyglot: 8.9 percent correct
In: $0.10 • Out: $0.40
OpenAI
Pixtral Large (25.02)
mistral/pixtral-large-2502•Mistral
128K ctx

Mistral vision-language model for image understanding and multimodal chat

8.2K out maxVision
In: $1.99 • Out: $5.98
Mistral
Llama 3.1 Nemotron Ultra 253B
nvidia/llama-3.1-nemotron-ultra-253b•NVIDIA
128K ctx

Flagship Nemotron model for high-throughput reasoning and complex agents

8.2K out max
In: Free • Out: Free
NVIDIA
Llama 4 Scout 17B Instruct
meta/llama-4-scout-17b-instruct•Meta
10M ctx

Open Llama with long-context vision for efficient multimodal agents

16.4K out maxVision
In: $0.72 • Out: $0.72
Meta
Llama 4 Maverick 17B Instruct
meta/llama-4-maverick-17b-instruct•Meta
1M ctx

Open multimodal Llama for strong reasoning with efficient everyday serving

16.4K out maxVisionAider Polyglot: 15.6 percent correct
In: $0.72 • Out: $0.72
Meta
DeepSeek V3 0324
deepseek/deepseek-chat-v3-0324•DeepSeek
163.8K ctx

DeepSeek chat model for instruction following, coding, and analysis

147.5K out max
In: $0.28 • Out: $1.10
DeepSeek
DeepSeek V3 0324
deepseek/deepseek-v3-0324•DeepSeek
163.8K ctx

March 2025 checkpoint of DeepSeek-V3 with improved reasoning and coding

163.8K out max
In: $0.20 • Out: $0.77
DeepSeek
o1-pro
openai/o1-pro•OpenAI
200K ctx

O-series reasoning model for hard analysis, math, coding, and planning

100K out maxVision
In: $150.00 • Out: $600.00
OpenAI
Llama 3.3 Nemotron Super 49B v1
nvidia/llama-3.3-nemotron-super-49b-v1•NVIDIA
131.1K ctx

Nemotron model for efficient reasoning, coding, and specialized AI agents

131.1K out max
In: Free • Out: Free
NVIDIA
Magistral Medium (latest)
mistral/magistral-medium-latest•Mistral
128K ctx

Mistral reasoning model for transparent analysis, math, and complex decisions

16.4K out max
In: $2.00 • Out: $5.00
Mistral
Mistral Small 3.1 24B
mistral/mistral-small-3.1-24b-instruct•Mistral
128K ctx

Efficient Mistral model for fast chat, extraction, and production assistants

102.4K out maxVision
In: $0.10 • Out: $0.30
Mistral
Mistral Small 3.1 24B
mistral/mistral-small-3-1-24b-instruct-2503•Mistral
128K ctx

Efficient multimodal model for instruction following, coding, reasoning, and function calling

16.4K out maxVision
In: $0.11 • Out: $0.32
Mistral
Command A
cohere/command-a•Cohere
256K ctx

Cohere command model for multilingual enterprise agents, tools, and chat

8.2K out max
In: $2.50 • Out: $10.00
Cohere
Command A
cohere/command-a-03-2025•Cohere
256K ctx

Cohere command model for multilingual enterprise agents, tools, and chat

8K out maxAider Polyglot: 12 percent correct
In: $2.50 • Out: $10.00
Cohere
Gemma 3 12B IT
google/gemma-3-12b-it•Google
131.1K ctx

Open multimodal Gemma instruction model for multilingual text generation and image understanding

131.1K out maxVision
In: $0.27 • Out: $0.27
Google
Gemma 3 27B IT
google/gemma-3-27b-it•Google
131.1K ctx

Largest open Gemma 3 instruction model for multilingual text generation and visual understanding

131.1K out maxVision
In: $0.10 • Out: $0.30
Google
Gemma 3 4B IT
google/gemma-3-4b-it•Google
131.1K ctx

Open multimodal Gemma instruction model for efficient text generation and image understanding

131.1K out maxVision
In: $0.20 • Out: $0.20
Google
Reka Flash 3
rekaai/reka-flash-3•Rekaai
65.5K ctx

Efficient model for low-latency assistance, extraction, and routine automation

59K out max
In: $0.10 • Out: $0.21
Rekaai
Skyfall 36B V2
thedrummer/skyfall-36b-v2•Thedrummer
32.8K ctx

Open-weight instruction model for adaptable chat and self-hosted production workloads

29.5K out max
In: $0.55 • Out: $0.80
Thedrummer
QwQ 32B
alibaba/qwq-32b•Alibaba
131.1K ctx

Open reasoning model from the Qwen team for math, coding, and step-by-step problem solving

8.2K out max
In: $0.40 • Out: $0.40
Alibaba
QwQ Plus
alibaba/qwq-plus•Alibaba
131.1K ctx

Qwen reasoning model for deliberate problem solving, math, and coding

8.2K out max
In: $0.80 • Out: $2.40
Alibaba
Aya Vision 32B
cohere/c4ai-aya-vision-32b•Cohere
16K ctx

Open multilingual vision model for OCR, visual reasoning, and image question answering

4K out maxVision
In: Free • Out: Free
Cohere
Aya Vision 8B
cohere/c4ai-aya-vision-8b•Cohere
16K ctx

Compact open multilingual vision model for OCR and visual question answering

4K out maxVision
In: Free • Out: Free
Cohere