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.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
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.
01Deep dive
Specifications
Claude Opus 4 in the o10 unified catalog.
Claude Opus 4 specifications
Field
Value
o10 slug
`anthropic-claude-opus-4`
Type
text
Band
C3
Routable
Yes
Source provider
anthropic
Primary host
OpenRouter
Gateway ID
`anthropic/claude-opus-4`
Context window
200,000 tokens
Released
2025-08-05
02Deep dive
Token pricing
Gateway snapshot pricing for Claude Opus 4.
Claude Opus 4 token pricing
Unit
Price
Input
$15/1M tokens
Output
$75/1M tokens
03Deep dive
Fulfillment hosts
Upstream venues configured for Claude Opus 4.
Claude Opus 4 fulfillment routes
Host
Upstream model ID
openrouter
openrouter/anthropic/claude-opus-4
04Deep dive
Gateway provider endpoints
Endpoint-level pricing and latency from the gateway catalog.
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".