Claude Opus 4
by Anthropic · anthropic/claude-opus-4 · #413 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...
Compare vs:GPT-5.6 SolGPT-5.6 TerraGPT-4.1GPT-4.1 Mini
Pricing
Input
$15.00
per 1M tokens
Output
$75.00
per 1M tokens
Blended (3:1)
$30.00
3 input : 1 output
Cache read
$1.50
per 1M cached tokens
Cache write
$18.75
per 1M tokens
Cache & batch economics
Effective prices for Claude Opus 4 with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $30.00 | $1.60 | — |
| 50% | $24.94 | $0.93 | −42% |
| 90% | $20.89 | $0.39 | −76% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.03 | $30.00 |
| Document summary | 8,000 | 1,000 | $0.195 | $195.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.6 | $600.00 |
| Long-context analysis | 150,000 | 5,000 | $2.63 | $2,625 |
Performance
Intelligence Index
—
AA composite quality
Coding Index
—
Math Index
—
Agentic Index
—
Output speed
—
median
Time to first token
—
median
Time to first answer
—
after reasoning tokens
Design Arena Elo
| Category | Elo |
|---|---|
| Website | 1,177 |
| UI components | 1,168 |
| Data viz | 1,160 |
| SVG | 1,151 |
| 3D | 1,167 |
| Game dev | 1,194 |
| Code categories | 1,176 |
Specs
Context window
200K
tokens
Max output
32K
tokens
Input modalities
image, text, file
Tokenizer
Claude