Context Window
1,000,000
Input tokens
Full-context input ≈ $5.00
Model Cost Profile
Developer: anthropic· Tokenizer: Claude · Quantization: unknown
Canonical ID: anthropic/claude-4.8-opus-20260528
Pricing updated May 29, 2026
Live Pricing
Input: $5.00
Output: $25.00
Last synced May 29, 2026 · MMLU score via public benchmark data
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
Provider Compliance
Context Window
1,000,000
Input tokens
Full-context input ≈ $5.00
Max Output
128,000
Completion tokens
Input Price / 1M
$5.00
Prompt tokens
Output Price / 1M
$25.00
Completion tokens
Top Benchmark
69.6
MMLU score — highest of MMLU, GPQA, MATH, HumanEval
Evaluation scores for Anthropic: Claude Opus 4.8. The “Top Benchmark” shown above is the highest score across MMLU, GPQA, MATH & HumanEval.
Price History
Not enough data yet. Price tracking started recently — check back in a few days.
Performance History
Not enough data yet. Performance tracking started recently — check back in a few days.
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $5.00 |
| Output (Completion) | $25.00 |
| Cache Read | $0.5000 |
| Cache Write | $6.25 |
| Web Search | $10,000.00 |
Estimate monthly spend for Anthropic: Claude Opus 4.8 based on your workload.
Estimated Monthly Cost
$425
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.