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GPT-6 Astra Pro API price

Name: GPT 6 Astra Pro
Brand: OpenAI

OpenAI · 1.1M token context · Released Sep 4 · 3 sellers, checked 20 Oct, 00:17 UTC

Input, per 1M tokens

$10.00

Output, per 1M tokens

$50.00

Cheapest at OpenRouter; 3 sellers compared below.

MegaNova lists it for less, $8.00 input / $40.00 output per 1M, but we have not verified that seller (our read). The prices above are the cheapest seller we consider reliable.

Cost calculator: where to buy, and what it costs you

Pick a use case, a volume and a provider. Monthly figures assume 30 days.

1,500 input and 400 output tokens per request, 30% of input cached.

Requests per day

Provider, with its monthly cost for this workload

MegaNova ↗Inference host · not verified by easiapiai$8.00 in · $40.00 out · cached $0.80 per 1M$743Not verified by us
OpenRouter ↗✓ EstablishedAggregator$10.00 in · $50.00 out · cached $1.00 per 1M$928Cheapest reliable
Kilo Gateway ↗Gateway · not verified by easiapiai · +5% credit purchase fee$10.00 in · $50.00 out · cached $1.00 per 1M · $10.50 / $52.50 with the fee$975Not verified by us
Other modes, not the standard service
OpenRouter · Batch ↗✓ EstablishedBatch: answers within 24 hours$5.00 in · $25.00 out · cached $0.50 per 1M$464

Context window: 1.1M1,050,000 tokens
Cached input: from $1.00per 1M tokens
Last checked: 20 Oct, 00:17 UTC

Price history

Cheapest standard price per 1M tokens, recorded every 6 hours since 16 Oct 2026.

OutputInput

19 Oct Kilo Gateway first listed in our data at $10.00 / $50.00
19 Oct MegaNova first listed in our data at $8.00 / $40.00

Every price change this month →

More from OpenAI: GPT-5.6 Terra $2.00 · GPT-5.6 Luna $0.20 · GPT-5.6 Luna Pro $0.20