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OpenAI: GPT-6 Astra ($$$$) Coding Benchmark

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Context1,050,000tokens
Max Output128,000tokens
Inputmodalities
Price$10.00/1M input
Ranks from Kilo Code LeaderboardPricing via OpenRouter

Try OpenAI: GPT-6 Astra ($$$$) in Kilo Code

Experience this model with the most popular open source coding agent. Free to start, pay only for AI usage. Use in popular IDEs like VS Code, JetBrains, command line, or cloud agents.

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Coding Performance

Coding benchmarks and performance metrics for development tasks

Kilo Bench

% Completion on Terminal Bench 2.0
79.3%
Cost per attempt (USD)
$107.29
Benchmark
Terminal Bench 2.0

Official Kilo eval results. Cost is averaged per complete benchmark attempt.

Real-World Usage

Real-world usage statistics from the Kilo Code community

No usage data available for this model yet.

No ranking data available for this model yet.

Real-world metrics from the Kilo Code Leaderboard

Pricing

Cost per 1 million tokens

Input Tokens
$10.00
per 1M tokens
Output Tokens
$50.00
per 1M tokens

Example Cost

Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.9000

Coding Capabilities

Features and parameters relevant to coding tasks

Coding Features

Function Calling
Can call external functions/APIs
Tool Choice
Control over function selection
Structured Outputs
JSON schema validation
Reasoning Tokens
Extended thinking for complex problems

Pricing details from OpenRouter

Technical Details

Architecture and implementation specifications

Specifications
Model ID
openai/gpt-6-astra
Created
September 4, 2026
Tokenizer
GPT
Input Modalities
FileImageText
Context Window
1,050,000 tokens
Max Completion Tokens
128,000 tokens
Input Price
$10.00 per 1M tokens
Output Price
$50.00 per 1M tokens
Cache Read Price
$1.00 per 1M tokens
Cache Write Price
$12.50 per 1M tokens
Content Moderation
Enabled

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  4. Start coding

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