Claude Opus 4.8
$2,900.00 / month- Input cost
- $2,275.00
- Output cost
- $625.00
- Per 1,000 calls
- $290.00
- Pricing profile
- standard
Source-tracked model comparison
Claude Opus 4.8 vs Sonnet 4.6: what is the cost difference for document summarization?
Compare verified pricing and model limits for routing long-document work across Claude premium tiers. The cost example uses a document summarization workload and does not assume equal model quality.
Direct cost answer: Claude Opus 4.8 is estimated at $2,900.00 per month and Claude Sonnet 4.6 at $1,740.00 for 50,000 input tokens, 2,500 output tokens, and 10,000 monthly requests. Claude Sonnet 4.6 is $1,160.00 lower under these assumptions. This does not identify a quality winner.
Tracked facts
Pricing and model limits
Prices are USD per 1M tokens under each model's verified default profile.
| Field | Claude Opus 4.8 | Claude Sonnet 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| API model ID | claude-opus-4-8 | claude-sonnet-4-6 |
| Input / 1M | $5.00 | $3.00 |
| Cached input / 1M | $0.50 | $0.30 |
| Output / 1M | $25.00 | $15.00 |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Maximum output | 128,000 tokens | 128,000 tokens |
| Accepted input | text, image | text, image |
Example workload
Document summarization cost scenario
50,000 input and 2,500 output tokens per request, 10,000 monthly requests, and 10% cached input.
Claude Sonnet 4.6
$1,740.00 / month- Input cost
- $1,365.00
- Output cost
- $375.00
- Per 1,000 calls
- $174.00
- Pricing profile
- standard
Cost result: Claude Sonnet 4.6 is $1,160.00 lower per month for these assumptions. This is a price comparison, not a model-quality ranking.
Questions to answer before choosing
- Which documents require the premium tier?
- Can factuality checks trigger selective escalation?
- How much output is needed for the target summary?
What this estimate leaves out
OCR, file ingestion, multimodal document processing, and multi-pass summarization are not included.
Latency, reliability, output quality, retries, regional processing, and provider-specific tool charges can change the practical decision.
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