All models
Head to head

GPT-6 Astra vs GPT-5 Pro

Price, context, inputs and filters. No benchmarks theatre.

GPT-6 Astra costs 1.8Γ— less per message.

GPT-6 Astra holds 2.6Γ— more context.

MainstreamChat with GPT-6 Astra
GPT-5 ProOpenAI
MainstreamChat with GPT-5 Pro
Made by
OpenAI
OpenAI
Content tier
Mainstream
Mainstream
Intelligence
Brilliant
Smart & Cheap
Estimated price per message
~30.55 creditsβ‰ˆ 3 messages for $1
~54.6 creditsβ‰ˆ 1 messages for $1
Context window
1.1M tokensβ‰ˆ 1,615 pages of text in one go
400K tokensβ‰ˆ 615 pages of text in one go
Reads
Text, Images
Text, Images
Writes
Text
Text
Tool use
Yes - search, memory, code and more
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
OpenRouter, Unbottled AI
Status
Current
Legacy

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.