Introductory
Through August 31, 2026Input
$2 / MTok
Output
$10 / MTok
Anthropic model field guide · June 30, 2026
Sonnet 5 moves agentic work into the everyday tier.
Anthropic launched Claude Sonnet 5 across Claude plans, Claude Code, and its API. The important buying detail is temporal: the introductory API price expires after August 31, 2026.
Price calendar
Two published price phases
The launch announcement separates an introductory window from the published standard rate. Taxes, platform charges, caching, tools, and future provider changes are not represented here.
Published standard
After August 31, 2026Input
$3 / MTok
Output
$15 / MTok
Availability map
The surface changes the answer
Claude Free and Pro
Anthropic launched Sonnet 5 as the default model.
Verify current plan limits and model selection in Claude.
Max, Team, Enterprise
Anthropic listed Sonnet 5 as available.
Plan availability does not make every tool or limit identical.
Claude Code
Anthropic confirmed Claude Code availability.
Test the repository, tools, permissions, and review workflow you use.
Claude Platform
The provider documents the claude-sonnet-5 API model ID.
Confirm live pricing, context, limits, and lifecycle in provider docs.
Flowith
No Flowith launch evidence is asserted on this page.
Use the live workspace model selector as the access authority.
Evaluation protocol
Measure agentic follow-through
Choose a representative agentic task
Use a real coding, research, or tool workflow with clear permissions, acceptance tests, and a human sign-off. Avoid deciding from a single generated answer.
Record effort and review cost
Track tool calls, retries, output tokens, wall time, accepted changes, and review effort. Provider token price is only one part of completed-task cost.
Verify the time-sensitive fields
The launch price changes after August 31, 2026. Context windows, plan limits, regions, and feature access also need a live provider check.
Primary records
Introducing Claude Sonnet 5 Official release date, agentic positioning, plan and product availability, API model ID, and two-phase pricing. Claude model overview Use the live platform documentation for current model properties, aliases, lifecycle, and implementation guidance. Claude plans and pricing Confirm current consumer and team plan availability, allowances, and checkout terms.
Related routes
Claude Pro vs Max Separate plan allowances and context questions from the model's provider record. Grok 4.5 Compare another current coding and agentic model with a different provider and API price. GPT-5.6 Review a tiered family when flagship capability, balance, and throughput need separate roles. DeepSeek V4 Compare another code and reasoning route while preserving source and access boundaries.
Claude Sonnet 5 questions, answered
Claude Sonnet 5 is an Anthropic model released on June 30, 2026. Anthropic positions it for agentic planning, tool use, coding, and knowledge work.
Anthropic's launch announcement names claude-sonnet-5. Check the live Claude Platform documentation for current snapshots, aliases, lifecycle, and regional availability before production use.
Anthropic published introductory API pricing of $2 per million input tokens and $10 per million output tokens through August 31, 2026, followed by $3 input and $15 output per million tokens. Verify live pricing before budgeting.
At launch, Anthropic made it the default for Free and Pro and listed it for Max, Team, and Enterprise, as well as Claude Code and the Claude Platform. Current plan limits and features should be checked live.
The launch announcement does not establish one universal context allowance for every plan and product surface. Check the current model and product documentation for the exact chat or API workflow you intend to use.
This page does not claim a Flowith launch or entitlement. Anthropic product availability is separate; verify the live Flowith workspace model selector before planning a workflow.