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Claude Opus 5 API
Anthropic-Text generation-Early-access list open · API not available
Join the early-access list for availability, model ID, and pricing updates. Until Claude Opus 5 is officially released and supported on EvoLink, you can build with current Claude models through one API.
Official release
Not announced
API model ID
Not published
API pricing
Not published
Early Access
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Why join Claude Opus 5 early access?
Get clear availability information and a simpler path to trying the model when it arrives on EvoLink.
Use one EvoLink account
Access supported Claude models through the same EvoLink account and API key instead of setting up a separate integration for every model.
Compare before you switch
Try Claude Opus 5 on your own coding, agent, and knowledge-work tasks before deciding where it belongs in your product.
Claude Opus 5 features developers are watching
Anthropic has not published an official Claude Opus 5 feature set. The signals below come from reported Claude Honeycomb EAP sightings and remain unconfirmed for a final Opus 5 release.
Long-context work
Reported Honeycomb screenshots showed a 1M-token context window. Anthropic has not confirmed that Honeycomb is Opus 5 or that this limit will ship with the final model.
Extra-high reasoning effort
The reported EAP listing included an extra-high reasoning setting for harder tasks. Its availability, latency, token use, and API controls are not yet known.
Per-turn controls
Reports described controls that could be adjusted between turns. The final parameters, supported clients, and API behavior have not been documented.
Safety fallback behavior
The reported Cursor description mentioned fallback to Claude Opus 4.8 for some safety-sensitive requests. This does not establish EvoLink routing or final Opus 5 behavior.
Where teams expect Claude Opus 5 to matter
These are candidate workloads for evaluation, not claims about unverified model performance.
Repository-level coding
Trace dependencies across large codebases, plan multi-file changes, implement fixes, and check the result against tests.
Long-running coding agents
Plan work, call tools, inspect intermediate results, and recover from failures without losing the original goal.
Tool-driven automation
Coordinate browser, terminal, search, and enterprise tools while keeping arguments and state consistent across steps.
Research and complex review
Synthesize evidence across long documents, surface contradictions, preserve citations, and review high-risk technical decisions.
What developers want verified after release
Benchmarks alone will not answer whether Claude Opus 5 improves real production work. These are the experience and cost questions teams are asking now.
Less verbose answers
Does it reach a useful answer with fewer unnecessary explanations, tokens, and editing passes?
Prompt adherence
Does it consistently follow format, scope, constraints, and stop conditions across repeated runs?
Tool recovery
Can it diagnose a failed tool call, correct arguments, and continue without looping or abandoning the task?
Long-session drift
Does it preserve instructions, architecture decisions, and task state over long coding and research sessions?
Subscription access and limits
Which Claude plans include the model, and how do message or usage limits affect sustained agent work?
API price and successful-task cost
What are the verified token prices, and how do output length, retries, tool failures, and review time affect total task cost?
Use Claude Opus 4.8 today
Claude Opus 4.8 is available on EvoLink for complex coding, agent workflows, research, and enterprise tasks. Start building now and evaluate Claude Opus 5 later when access becomes available.
While you wait for Claude Opus 5
Explore available Claude models or follow the release status without pausing your current work.
Start with Claude Opus 4.8
Use the current Opus model for demanding coding, agent, research, and enterprise workloads.
Compare Claude models
Find the right Claude model for your workload, performance needs, and budget.
Follow the release watch
Check the latest confirmed Claude Opus 5 availability and release updates.
Compare with Claude Opus 4.8
Decide whether to keep building on the current Opus route or prepare a same-family replay test.
Compare with GPT-5.6
Compare an available cross-vendor route with the still-unconfirmed Claude Opus 5 candidate.
Claude Opus 5 API - FAQ
Is Claude Opus 5 officially released?
No official Claude Opus 5 listing was present in the Anthropic model overview or release notes checked on July 17, 2026. Its release date, model ID, pricing, and specifications are not yet confirmed.
When will Claude Opus 5 be available?
Anthropic has not announced a confirmed release date. Join the early-access list and EvoLink will email you when availability is confirmed.
Can I use Claude Opus 5 on EvoLink now?
Not yet. Claude Opus 5 is not currently available through EvoLink. You can use Claude Opus 4.8 and other supported Claude models while you wait.
What do I get by joining early access?
You will receive an availability email when Claude Opus 5 opens on EvoLink, including the confirmed model ID, pricing, and access details.
What is the Claude Opus 5 model ID?
Anthropic has not publicly listed an official Claude Opus 5 model ID. EvoLink will publish the exact request model ID when access becomes available.
How much will the Claude Opus 5 API cost?
No official Claude Opus 5 pricing has been published. EvoLink pricing will be shown on this page when the model becomes available.
Should I wait instead of using Claude Opus 4.8?
You do not need to pause your project. Claude Opus 4.8 is available now on EvoLink, and you can evaluate Claude Opus 5 later when its access and pricing are confirmed.
Can I use the same EvoLink API key for Claude Opus 5?
EvoLink provides one API key for supported models across its catalog. Exact Claude Opus 5 access and request details will be confirmed when the model becomes available.
Claude models available on EvoLink today
Claude Opus 4.8
Available now for complex coding, long-running agents, research, and enterprise work.
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Claude Sonnet 5
A balanced Claude model for coding, agents, and everyday production workloads.
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