COST/CAPACITY

Prices and limits, with date.

The published cost is only comparable when we know the unit, modality and conditions.

01

Published data

USD per million tokens when the source uses that unit.

OpenAI

GPT‑6 Astra

Standard input
10.00 USD / 1 M tokens
Standard output
50.00 USD / 1 M tokens
Cached input
1.00 USD / 1 M tokens
Batch input
5.00 USD / 1 M tokens
Batch output
25.00 USD / 1 M tokens
Context
1,050,000 tokens
maximum output
128,000 tokens

Requests with more than 272,000 input tokens apply price multipliers; tools may add per-call charges.

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Anthropic

Claude Opus 5

Standard input
5.00 USD / 1 M tokens
Standard output
25.00 USD / 1 M tokens
Cached input
0.50 USD / 1 M tokens
Batch input
2.50 USD / 1 M tokens
Batch output
12.50 USD / 1 M tokens
Context
1,000,000 tokens
maximum output
128,000 tokens

Thinking is billed as output. Fast mode costs twice the base rate.

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Google

Gemini 3.8 Flash

Standard input
0.75 USD / 1M tokens
Standard output
3.75 USD / 1M tokens
Cached input
0.075 USD / 1 M tokens
Batch input
0.375 USD / 1 M tokens
Batch output
1.875 USD / 1 M tokens
Context
1,048,576 entry tokens
maximum output
65,536 output tokens

Introductory pricing until December 31, 2026; from 2027, standard rates double.

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Cost per task

Includes retries, tooling, recovery, cache, and human review.

Operating limit

Account and region limits may differ from the theoretical capacity of the model.

Missing data

The absence is retained as relevant information, not as a zero.

02

What is missing from the per-token price

A low rate can end up being expensive if the workflow repeats work or requires extensive oversight.

01

Reasoning and length

Internal or thinking tokens are usually billed as output and depend on difficulty and the configured effort.

02

Tools and grounding

Search, maps, code execution, and other tools may have per-call pricing in addition to tokens.

03

Caching and batches

Repeated prefixes and asynchronous processing reduce cost, but require designing the workflow to take advantage of them.

04

Cost of error

Measure retries, human validation, incidents, and recovery: they are part of the total operating cost.