AI TOOLS RADAR
Explore
All models / OPENAI
openai logo
openai

OpenAI: GPT-4

OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning capabilities. $30 per million input tokens, $60 per million output tokens. 8,191 token context window, maximum output of 4,096 tokens. Higher uptime with 2 providers. Includes independent benchmarks from Artificial Analysis.

View source on OpenRouter
Overview

Model specifications

Context
8,191 tokens
Maximum output
4,096 tokens
Architecture
text->text
Tokenizer
GPT
Knowledge cutoff
2021-09-30
Moderated
Yes
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$30
/M tokens
Output
$60
/M tokens
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-4","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
text
Output
text
API

Supported API parameters

frequency_penaltylogit_biaslogprobsmax_completion_tokensmax_tokenspresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Available providers

2 providers

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

OpenAI

unknown
Context
8K
Maximum output
4K
Input
$30.00
Output
$60.00
Cache read
Not provided
Cache write
Not provided

Azure

unknown
Context
8K
Maximum output
4K
Input
$30.00
Output
$60.00
Cache read
Not provided
Cache write
Not provided
openai

models

All models
openai logoopenai

OpenAI: GPT Transcribe

GPT Transcribe is a high-accuracy speech-to-text model from OpenAI. It is suited for recorded audio, streamed file transcription, and committed Realtime turns, with free-form context, keyword hints, and multiple language...

Context
Not provided
Input
audio
Output
transcription
Input: $4500.00Output: Freeper 1M tokens
View model details →
openai logoopenai

OpenAI: GPT-5.6 Luna Pro

GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context
1.1M
Input
file · image · text
Output
text
Input: $0.200Output: $1.20per 1M tokens
View model details →
openai logoopenai

OpenAI: GPT-5.6 Luna

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...

Context
1.1M
Input
file · image · text
Output
text
Input: $0.200Output: $1.20per 1M tokens
View model details →
openai logoopenai

OpenAI: GPT-5.6 Terra Pro

GPT-5.6 Terra Pro is the same underlying model as GPT-5.6 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context
1.1M
Input
file · image · text
Output
text
Input: $2.00Output: $12.00per 1M tokens
View model details →