OpenAI: GPT-6 Astra
by OpenAIOpenAI: GPT-6 Astra is a large language model from OpenAI. It costs $10.00 per million input tokens and $50.00 per million output tokens. Its context window is 1.1M tokens.
- Input / 1M tokens
- $10.00
- Output / 1M tokens
- $50.00
- Cached input / 1M
- $1.00
- Context window
- 1.1M
On repeated prefixes
tokens
This model also charges $0.01 per search request
That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.035, so the search fee is 29% on top. Per-token rankings elsewhere ignore this entirely.
Who serves it cheapest
2 hosts serve GPT-6 Astra. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| OpenAICheapest | $5.00 | $25.00 | 1.1M | - | 100.0% |
| Azure | $10.00 | $50.00 | 1.1M | - | 86.7% |
The spread between OpenAI and Azure is 2.0× for identical weights. Quantization and context limits differ, so check both columns before switching.
Benchmarks
Independent scores published alongside the catalogue.
- Intelligence index
- 52.8
- Coding index
- 76.9
- Agentic index
- 51.5
About GPT-6 Astra
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...
Specifications
| Model ID | openai/gpt-6-astra |
|---|---|
| Provider | OpenAI |
| Context window | 1.1M tokens |
| Max output | 128K tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Knowledge cutoff | - |
| Open weights | No |
| Released | September 4, 2026 |
Cheaper alternatives
Models that cost less than GPT-6 Astra while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does OpenAI: GPT-6 Astra cost?
$10.00 per million input tokens and $50.00 per million output tokens. Cached input reads cost $1.00 per million tokens.
What is the context window of OpenAI: GPT-6 Astra?
1.1M tokens, with up to 128K tokens of output per request.
Does OpenAI: GPT-6 Astra have extra fees beyond per-token pricing?
Yes. OpenAI: GPT-6 Astra charges $0.01 per search request - $10.00 per 1,000 requests - on top of $10.00 per million input tokens and $50.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 29% on top.
Which provider serves OpenAI: GPT-6 Astra cheapest?
OpenAI at $5.00 per million input tokens - 2.0× cheaper than Azure, the most expensive of the 2 hosts serving it.
Confirm against the source: OpenAI official pricing.