Haiku 5.5 launches with prompt-length pricing and migration changes
Task cost depends on prompt tokens, effort, output acceptance and credit boundaries; a lower rate is not a guaranteed workflow saving.
Anthropic Haiku launch — 7 October 2026 ↗
Model AI · PROFILE REVIEWED 8 OCTOBER 2026
Claude Sonnet 5.5
A practical large-context baseline for coding and knowledge work with the same published token rates as Sonnet 5. Changed thinking and tool behaviour still require a same-work migration test, so HubAI withholds a score.
BEST FORCoding, agentic and professional knowledge work that needs a large context window at lower token rates than the Opus tierNOT IDEAL FORDisabled thinking, forced tools and older computer-use assumptions can require migration work
Be the first approved reviewer0 approved reviewsUSER RATING
Rate your experience
No sign-in needed. Rate your experience; you can change your vote.
- Price
- $2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm. Official pricing source ↗
- Access
- Metered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policy
BEFORE YOU BUY
Independent test pendingClaude Sonnet 5.5: evidence before purchase
What we can verify
Not yet scored. No completed HubAI same-task test record is published. The supplier information below is separate from independent test results.
What an independent test needs to cover
Test output accuracy, retries, reviewer effort, data handling and total cost using the pilot below. No completion date is scheduled; a score will require a published method and results.
- Supplier facts recorded
- 8 October 2026
- Within 30-day review window. This is not an independent test date.
- Methodology checked on
Price and UK access check
$2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm.
Pricing freshness: Within 30-day review window.
Official sources
VERIFIED CHANGE HISTORY
Open Change Radar →What changed for Claude Sonnet 5.5.
Claude expands verified cyber access into three tiers
Approval does not establish UK entitlement, free usage, client-facing productization permission or independent safety. Identity readiness and retention determine deployment fit.
Anthropic expanded Cyber Verification Program — 6 October 2026 ↗Anthropic releases Claude Sonnet 5.5 and GitHub starts Copilot rollout
Teams gain a lower-rate alternative to Opus 5.5 across major cloud and coding routes, but a silent model swap can break orchestration or hide expected tool-call text.
Anthropic Claude Sonnet 5.5 launch ↗EDITOR VERDICT
A practical large-context baseline for coding and knowledge work with the same published token rates as Sonnet 5. Changed thinking and tool behaviour still require a same-work migration test, so HubAI withholds a score.
Claude Sonnet 5.5, explained.
Claude Sonnet 5.5 is designed for coding, agentic and professional knowledge work that needs a large context window at lower token rates than the opus tier. HubAI treats it as a workflow purchase rather than a novelty: the relevant question is whether it produces an acceptable result repeatedly, with controls your team can understand and a cost that remains predictable after the trial ends.
Best forCoding, agentic and professional knowledge work that needs a large context window at lower token rates than the Opus tierTrialMetered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policy
Where Claude Sonnet 5.5 fits—and where it does not.
Coding, agentic and professional knowledge work that needs a large context window at lower token rates than the Opus tier
accepted, tested code changes with lower cycle time and no increase in escaped defects
Disabled thinking, forced tools and older computer-use assumptions can require migration work
Assign the same bounded repository change with tests and security checks.
PRODUCT PROOF
PROFILE REVIEW · 8 OCTOBER 2026See the workflow before you buy.
01
Bring one representative input
02
Run the same job three times
03
Measure accepted output and cost
Review repository access, code retention, training use and secret handling.
Editor or browser workspace with repository connections.
Git · IDE · Deployments
Vendor facts and HubAI opinion are separated. Sponsored placement cannot buy a higher score.
HUBAI PROCUREMENT PASSPORT
A buying record your team can challenge.
One compact record for price, access, data handling, deployment and the test that must pass before adoption.
BUY FORCoding, agentic and professional knowledge work that needs a large context window at lower token rates than the Opus tierCOMMERCIAL ROUTE$2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm.Metered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policyTEST PENDING
Review repository access, code retention, training use and secret handling.
Editor or browser workspace with repository connections.
Git · IDE · Deployments
Assign a bounded code change and verify tests, security and maintainability.
No launch-day score.
HubAI will publish a score only after the same representative tasks have been run against current alternatives. Vendor benchmarks are not treated as an editorial rating.
Cost reality
The subscription price is only the starting point. HubAI evaluates usage limits, failed attempts and the work needed to produce one usable result. Pricing changes frequently, so the structure and verification date matter more than a headline price.
Budget for the result, not the plan badge.
- Published structure
- $2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm.
- Free or trial route
- Metered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policy
- Primary cost driver
- seat price, premium requests, agent runs and reviewer correction time
- Budget test
- Record the total cost, attempts and human correction needed to produce ten accepted results.
Pricing checked for editorial use on 8 October 2026. Confirm live price, VAT, region, usage rights and cancellation terms with the vendor before purchase.
HUBAI TRUE COST LAB
What does one accepted result really cost?
Model your own usage. HubAI separates subscription cost from retries and human review—without pretending a headline plan price tells the whole story.
DERIVED VALUE · EFFECTIVE COST / ACCEPTED OUTPUT£3.414286Human review dominates
PRACTICAL GUIDE
Where Claude Sonnet 5.5 earns its place.
Build and test a long-running coding agent
Test this job with your own inputs and judge the finished result—not the first draft.
Run multi-file refactoring with deterministic tool calls
Test this job with your own inputs and judge the finished result—not the first draft.
Evaluate a complex enterprise workflow against cost and latency
Test this job with your own inputs and judge the finished result—not the first draft.
A safer four-step trial
- Start with one narrow job that matches Claude Sonnet 5.5's strongest use case.
- Prepare approved source material, examples and a clear acceptance standard.
- Run three realistic tasks and record attempts, correction time and export quality.
- Keep human approval before publishing, sending or acting on the result.
Start with a better brief.
01
Act as a specialist in model ai. Ask me three questions before creating the first draft. The outcome I need is: [describe outcome].02
Create two approaches for [task]. Use this audience: [audience]. Respect these constraints: [constraints]. Explain the trade-off between the two approaches.03
Review this output against accuracy, tone, privacy, cost and usability. List the changes required before a person should approve it.RISK & GOVERNANCE
What to check before adoption.
Do not place confidential, personal or rights-restricted material into Claude Sonnet 5.5 until your organisation has reviewed its current terms, retention settings and account controls. AI output can be plausible and still wrong; regulated, financial, legal and employment decisions require qualified human review.
What HubAI checked—and when.
This is HubAI's editorial record, not the vendor's product changelog or a live uptime claim.
Buying checks prepared
Pilot acceptance, applicable access and complete-cost checks prepared; no independent result or thin comparison assigned.
Scoped official update checked
Current release, pricing or feature boundary checked against the linked official sources; unrelated features were not retested.
Independent test pending
No completed independent same-task record; HubAI Score remains withheld.
Alternatives to Claude Sonnet 5.5
MWMuse WonderTest pending
A measured pilot of long-context coding or reasoning through Meta's hosted API
MFMuse Wonder FullTest pendingEvaluating the higher-capability Muse model inside an eligible coding subscription
MCMuse CodeTest pendingTerminal-based repository work with explicit approval and change review
Claude Sonnet 5.5 against its closest shelf.
Scores are editorial signals, not a universal winner. Choose around the exact job and run the same proof test.
| Product | HubAI score | Best for | Price structure | Access | Decision |
|---|---|---|---|---|---|
| Claude Sonnet 5.5 CURRENT | Test pending | Coding, agentic and professional knowledge work that needs a large context window at lower token rates than the Opus tier | $2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm. | Metered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policy | Current profile |
| Muse Wonder | Test pending | A measured pilot of long-context coding or reasoning through Meta's hosted API | USD per million tokens: $4 input, $0.20 cached input, $20 output. Web grounding adds $2.50 per 1,000 search queries; no long-context premium is listed. · Recorded check: 14 October 2026. USD list price; UK price/VAT to confirm. | Paid preview API or Muse Code subscription. No unmetered free trial or UK-specific entitlement verified. | Compare → |
| Muse Wonder Full | Test pending | Evaluating the higher-capability Muse model inside an eligible coding subscription | Muse Code Power Usage $50/month or Maximum $200/month, USD list prices. These are subscription prices, not Full API token rates. · Recorded check: 14 October 2026. USD list price; UK price/VAT to confirm. | Subscription-only route; no public pay-as-you-go API or unmetered trial verified. Confirm UK account eligibility before paying. | Compare → |
| Muse Code | Test pending | Terminal-based repository work with explicit approval and change review | USD monthly plans: Everyday $5, High Usage $15, Power Usage $50, Maximum $200. Wonder Full requires one of the upper two plans; verify current usage allowances. · Recorded check: 14 October 2026. USD list price; UK price/VAT to confirm. | Published paid subscriptions; no unlimited free trial or universal UK availability verified. | Compare → |
Questions to answer before adoption.
- 01What repository data is retained or used for training?
- 02Can policies block secrets and unsafe commands?
- 03Which IDE and Git workflows are supported?
- 04How much reviewer time does an accepted change need?
Claude Sonnet 5.5 FAQ.
What is Claude Sonnet 5.5 best for?
Claude Sonnet 5.5 is best suited to coding, agentic and professional knowledge work that needs a large context window at lower token rates than the opus tier. HubAI's current verdict is: A practical large-context baseline for coding and knowledge work with the same published token rates as Sonnet 5. Changed thinking and tool behaviour still require a same-work migration test, so HubAI withholds a score.
Does Claude Sonnet 5.5 have a free plan or trial?
Metered API and cloud-platform access; availability across Claude and paid GitHub Copilot plans depends on entitlement, rollout, route and administrator policy. Check the official product page before buying because allowances, regions and eligibility can change.
How much does Claude Sonnet 5.5 cost?
$2/1M input and $10/1M output at standard API rates; cache reads cost $0.10/1M, five-minute writes $2.50/1M and one-hour writes $4/1M · Recorded check: 8 October 2026. USD list price; UK price/VAT to confirm.. The useful comparison is total cost per accepted result, including retries, limits and human correction—not the advertised entry price alone.
What should I compare with Claude Sonnet 5.5?
Compare products in the same Code AI shelf against one identical task, acceptance rule and cost window. Focus on accepted, tested code changes with lower cycle time and no increase in escaped defects.
MODERATED COMMUNITY REVIEWS
Did you like Claude Sonnet 5.5?
Rate this product and share what really happened. Every review is moderated before it appears publicly. Approval does not independently verify purchase, usage or the reported outcome.
HubAI asks
Did this product earn its cost?
If you used Claude Sonnet 5.5, share its quality, pricing, trial experience and real result. Useful specifics beat empty praise.
Sign in to leave a rating and review.
Sign in to reviewNo approved user reviews yet. Be the first to leave a useful one.