ModelNames.ai

(Some) current model API names

Curated model identifiers and their key capabilities (not a complete historical list).

⌘K

OpenAI Models

Reasoning Effort Levels

Supports reasoning.effort parameter: low, medium (default), high, and extra-high (xhigh) for Codex 5.1.

GPT-5 Series (Reasoning)

Model NameAPI IdentifierContextMax Output
GPT-5.1
gpt-5.1
400,000 128,000
GPT-5 Pro
gpt-5-pro
400,000 128,000
GPT-5
gpt-5
400,000 128,000
GPT-5 mini
gpt-5-mini
200,000 64,000

GPT-5 Codex (Coding)

Model NameAPI IdentifierContextMax Output
GPT-5.1 Codex
gpt-5.1-codex
400,000 128,000
GPT-5.1 Codex Max
gpt-5.1-codex-max
400,000
GPT-5.1 Codex Mini
gpt-5.1-codex-mini
400,000 100,000

O-Series (Reasoning)

Model NameAPI IdentifierContextMax Output
o3-deep-research
o3-deep-research
200k 100k
o3 / o3-pro
o3 / o3-pro
200k 100k
o3-mini / o4-mini
o3-mini / o4-mini
200k 100k
o1 / o1-pro
o1 / o1-pro
200k 100k

Google Gemini

Thinking Mode: Binary on/off switch for Gemini 3 and 2.5 series.

Gemini 3 Series

Model NameAPI IdentifierContextThinking
Gemini 3 Pro
gemini-3-pro-preview
1M+ Yes
Gemini 3 Pro Image
gemini-3-pro-image-preview
1M+ Yes

Gemini 2.5 Series

Model NameAPI IdentifierContext
Gemini 2.5 Pro
gemini-2.5-pro
1M+
Gemini 2.5 Flash
gemini-2.5-flash
1M+

Anthropic Claude

Claude 4.5

Extended Thinking Available
Model NameAPI Identifier
Sonnet 4.5
claude-sonnet-4-5
Haiku 4.5
claude-haiku-4-5

Claude 4.1

Extended Thinking Available
Model NameAPI Identifier
Opus 4.1
claude-opus-4-1
Snapshot
claude-opus-4-1-20250805

Meta Llama

Llama 4 Series (Multimodal)

Model NameAPI IdentifierCapabilities
Llama 4 Maverick
Llama-4-Maverick-17B-128E-Instruct-FP8
Text, Image
Llama 4 Scout
Llama-4-Scout-17B-16E-Instruct-FP8
Text, Image

Mistral AI

Magistral Series (Reasoning)

Model NameAPI IdentifierReasoning
Magistral Medium 1.2
magistral-medium-2509
Yes
Magistral Small 1.2
magistral-small-2509
Yes

Edge / Specialist

Ministral 3B ministral-3b-2410
Ministral 8B ministral-8b-2410
Codestral codestral
OCR mistral-ocr-2505

xAI Grok

Grok 4.1 & 4 Series

Model NameAPI IdentifierContextReasoning
Grok 4.1 Fast Reasoning
grok-4-1-fast-reasoning
2M Yes
Grok 4.1 Fast Non-Reasoning
grok-4-1-fast-non-reasoning
2M No
Grok 4 Fast Reasoning
grok-4-fast-reasoning
2M Yes

DeepSeek

Model NameAPI Identifier
R1 (Reasoning)
deepseek-r1
V3 (General)
deepseek-v3
V3.1 Terminus
deepseek-v3.1-terminus

Cohere

Model NameAPI Identifier
Command A Reasoning
command-a-reasoning-08-2025
Command A
command-a-03-2025
Command R7B
command-r7b-12-2024

Note

This is a living list of current APIs we track. It is not an exhaustive historical catalog.

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