Claude Sonnet Latest is listed in the o10 fulfillment catalog as of 2026-06-27. Anthropic publishes this model without a published context window in this snapshot. o10 lists Claude Sonnet Latest on OpenRouter at routing band C2. API slug anthropic-claude-sonnet-latest. 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 Sonnet Latest is a chat model from anthropic (slug: anthropic-claude-sonnet-latest). Pick Claude Sonnet Latest when you need Anthropic's mid-frontier coding and writing tier. It is the default Claude workhorse: cheaper than Opus, stronger than Haiku on long-context agent work.
Catalog snapshot 2026-06-27.
Pick Claude Sonnet Latest when you need Anthropic's mid-frontier coding and writing tier. It is the default Claude workhorse: cheaper than Opus, stronger than Haiku on long-context agent work. Claude Sonnet Latest sits between Claude Haiku (economy) and Claude Opus (flagship). Move down to Haiku when evals pass at C0/C1; move up to Opus only when the quality floor needs the extra reasoning.
Claude Sonnet Latest sits between Claude Haiku (economy) and Claude Opus (flagship). Move down to Haiku when evals pass at C0/C1; move up to Opus only when the quality floor needs the extra reasoning.
Claude Sonnet Latest does not have published per-token pricing in the current gateway snapshot. See fulfillment hosts below for routing options.
Pricing unavailable in current snapshot.
Claude Sonnet Latest is configured on OpenRouter. Known host IDs: openrouter: openrouter/~anthropic/claude-sonnet-latest. This model is routable through o10 eval-gated routing.
Claude Sonnet Latest context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
Claude Sonnet Latest is classified at o10 routing band C2. 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.
Claude Sonnet Latest is attributed to source provider anthropic in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.
Claude Sonnet Latest in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `anthropic-claude-sonnet-latest` |
| Type | text |
| Band | C2 |
| Routable | Yes |
| Source provider | anthropic |
| Primary host | OpenRouter |
Upstream venues configured for Claude Sonnet Latest.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/~anthropic/claude-sonnet-latest |
Eval-gated model selection for this slug.
o10 slug: anthropic-claude-sonnet-latest. Band: C2. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
Claude Sonnet Latest has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
Context limits for Claude Sonnet Latest vary by fulfillment host. See the specifications table on this page.
Claude Sonnet Latest (anthropic-claude-sonnet-latest) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Yes. Claude Sonnet Latest is routable at band C2. Send model: "anthropic-claude-sonnet-latest" or use an o10 smart routing alias.
Use o10 slug "anthropic-claude-sonnet-latest" in the model field. See /models/routing for smart aliases (o10/auto, o10/frontier, o10/squad).
o10 routes Claude Sonnet Latest only when per-use-case evals clear at your quality floor. Band C2 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.