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Claude Opus 4. Price, context, and routing

Source page: https://www.o10.io/models/anthropic-claude-opus-4

Plain-text reference for reading, copying, and citation. Examples are illustrative; use your own credentials for API requests.

Model data: https://www.o10.io/api/models.json
Content index: https://www.o10.io/llms.txt
Prices are dated references, not live quotes. Check the current endpoint rate before use.

# Claude Opus 4. Price, context, and routing

Claude Opus 4 costs $15.00/1M input tokens and $75.00/1M output tokens as of 2026-06-27. Anthropic publishes this model with a 200K tokens context window. o10 lists Claude Opus 4 on OpenRouter at routing band C3. API slug anthropic-claude-opus-4. Verify list prices against the venue you call.

## Key takeaways

### What is Claude Opus 4?

Claude Opus 4 is a chat model from anthropic (slug: anthropic-claude-opus-4). Pick Claude Opus 4 when the eval floor needs Anthropic's flagship. It is the expensive Claude; do not pin it as a chat default. Published input pricing starts at $15.00/1M tokens. Context window: 200K tokens.

*Catalog snapshot 2026-06-27.*

### When should you pick Claude Opus 4?

Pick Claude Opus 4 when the eval floor needs Anthropic's flagship. It is the expensive Claude; do not pin it as a chat default. Claude Opus 4 is the Opus line. Sonnet is the usual production default. If Sonnet clears the same use-case eval, stay on Sonnet.

### How does Claude Opus 4 differ from sibling models?

Claude Opus 4 is the Opus line. Sonnet is the usual production default. If Sonnet clears the same use-case eval, stay on Sonnet.

### How much does Claude Opus 4 cost per million tokens?

Claude Opus 4 costs $15.00/1M input tokens and $75.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.

*Sourced from gateway catalog snapshot.*

### Where can you run Claude Opus 4?

Claude Opus 4 is configured on OpenRouter. Known host IDs: openrouter: openrouter/anthropic/claude-opus-4. This model is routable through o10 eval-gated routing.

### What is Claude Opus 4's context window?

Claude Opus 4 supports a 200K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.

### What o10 routing band is Claude Opus 4?

Claude Opus 4 is classified at o10 routing band C3. Bands group models by cost tier and eval profile: C0 (economy), C1 (standard), C2 (capable), C3/C4 (frontier). Production routing is enabled for this slug.

### Who makes Claude Opus 4?

Claude Opus 4 is attributed to source provider anthropic in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.

## Citation
Claude Opus 4 costs $15.00/1M input tokens and $75.00/1M output tokens as of 2026-06-27. Anthropic publishes this model with a 200K tokens context window. o10 lists Claude Opus 4 on OpenRouter at routing band C3. API slug anthropic-claude-opus-4. Verify list prices against the venue you call.
## Methodology

Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.

## FAQ

### How much does Claude Opus 4 cost?

Claude Opus 4 costs $15.00/1M input tokens and $75.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.

### What is Claude Opus 4's context window?

Claude Opus 4 supports 200K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.

### Which hosts serve Claude Opus 4?

Claude Opus 4 (anthropic-claude-opus-4) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.

### Is Claude Opus 4 routable through o10?

Yes. Claude Opus 4 is routable at band C3. Send model: "anthropic-claude-opus-4" or use an o10 smart routing alias.

### How do I call Claude Opus 4 via o10?

Use o10 slug "anthropic-claude-opus-4" or gateway ID "anthropic/claude-opus-4" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.

### How does o10 route this model?

o10 routes Claude Opus 4 only when per-use-case evals clear at your quality floor. Band C3 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.

### What is the API model ID for Claude Opus 4?

The o10 slug is "anthropic-claude-opus-4"; the unified gateway ID is "anthropic/claude-opus-4". Host IDs: openrouter: openrouter/anthropic/claude-opus-4. Pricing snapshot date: 2026-06-27.

### Who hosts Claude Opus 4?

Claude Opus 4 is hosted as openrouter: openrouter/anthropic/claude-opus-4. o10 maps those upstream IDs to slug "anthropic-claude-opus-4".

## Related links

- [Claude Opus 4 HTML](https://www.o10.io/models/anthropic-claude-opus-4)
- [Claude Opus 4 pricing](https://www.o10.io/pricing/anthropic/anthropic-claude-opus-4)
- [Model catalog](https://www.o10.io/models)
- [llms-models.txt](https://www.o10.io/llms-models.txt)

## Source URL

https://www.o10.io/models/anthropic-claude-opus-4