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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallAs of October 7, 2026, Anthropic lists Claude Haiku 5.5 at $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100,000 tokens. For prompts over 100,000 tokens, its rates rise to $0.50 input and $2.50 output per million tokens. Haiku 5.5 has a 1-million-token API context window and a 128,000-token standard maximum output; those capacity figures are separate from account-level rate and spend limits.
How Haiku 5.5 compares with Sonnet and other small models
The figures below are published API token prices, not a quality ranking or a complete estimate of the cost of a particular workload. Context and output figures describe model capacity. Where the cited price source does not establish a comparable capacity, that is stated rather than inferred.
| Model | Published API input/output price per million tokens | Context / maximum output | What the figures establish |
|---|---|---|---|
| Claude Haiku 5.5 | Prompts up to 100,000 tokens: $0.10 / $0.50. Prompts over 100,000 tokens: $0.50 / $2.50. Anthropic, 2026. | 1 million / 128,000 tokens. Anthropic, 2026. | Anthropic’s current Haiku model in the cited documentation; API model ID: claude-haiku-5-5. Model overview |
| Claude Sonnet 5.5 | $2 / $10. Anthropic, 2026. | 1 million / 128,000 tokens. Anthropic, 2026. | Anthropic describes Sonnet as balancing speed and intelligence; that is vendor positioning, not an independent comparative test. Sonnet 5.5 |
| Claude Haiku 4.5 | $1 / $5. Anthropic, 2026. | 200,000 / 64,000 tokens. Anthropic, 2026. | Previous-generation comparison: Anthropic marks Haiku 4.5 as legacy and says retirement will be no sooner than October 15, 2026. Check its model overview for lifecycle changes before planning a migration. |
| Gemini 3 Flash Preview | $0.25 input / $1.50 text output in the cited Google Cloud pricing table, 2026. | Not stated in the cited price row. | A limited price reference only. It does not establish comparable model quality, limits, availability, or total cost. Google Cloud pricing |
At the listed rates, Haiku 5.5 costs less per token than Sonnet 5.5, but Haiku’s rate changes when a prompt exceeds 100,000 tokens. Token prices alone cannot show which model will be cheaper for a task: that depends on token counts, any applicable caching or batch pricing, and the provider and billing route.
What the Haiku API limits mean
“Limits” can refer to three different constraints. Haiku 5.5’s model overview lists a 1-million-token context window and a standard maximum output of 128,000 tokens. Neither is a monthly allowance or a promise that an account can send requests at any particular speed.
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- Context window: The request and conversation context the model can handle, subject to the API’s applicable rules.
- Maximum output: The standard API ceiling for generated output in one request. Anthropic separately lists a 300,000-token maximum for Message Batches API in beta with a specified beta header; treat that as a conditional batch capability, not the standard request limit. Haiku 5.5 model overview
- Throughput and spend: Organization-level quotas determine how many requests and tokens can be processed, and how much monthly API spend is allowed. These are distinct from the model’s context and output capacities.
Haiku 5.5 API rate and spend limits by tier
Anthropic’s published standard limits for Haiku 5.5 are below. RPM means requests per minute; token-per-minute values are split between input and output. Anthropic cautions that an account may have lower evaluation limits or customized limits, so the organization’s assigned values in Claude Console are the operational ones.
| Anthropic API tier | Requests per minute | Input tokens per minute | Output tokens per minute | Documented monthly spend cap |
|---|---|---|---|---|
| Start | 1,000 | 2 million | 400,000 | $500 |
| Build | 5,000 | 5 million | 1 million | $1,000 |
| Scale | 10,000 | 10 million | 2 million | $200,000 |
| Custom | Not stated; arranged with Anthropic’s account team. | Not stated; arranged with Anthropic’s account team. | Not stated; arranged with Anthropic’s account team. | Arranged with Anthropic’s account team. |
These are Anthropic’s published tier values, not guaranteed limits for every account. Confirm the organization’s assigned quotas and current tier details in the API rate-limits documentation and Claude Console before sizing a production workload.
How to estimate Haiku API token cost
For a request with I input tokens and O output tokens, estimate base token charges as:
(I × input rate + O × output rate) / 1,000,000
Select the Haiku input and output rates for the prompt-length tier that applies: up to 100,000 prompt tokens, or over 100,000. For example, a request with 10,000 input tokens and 2,000 output tokens falls below the threshold. At the published $0.10 input and $0.50 output rates, the base token estimate is $0.002: (10,000 × $0.10 + 2,000 × $0.50) / 1,000,000. This illustration excludes any other charges or discounts.
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- Prompt caching: Anthropic lists 5-minute cache writes at $0.125 per million tokens for prompts up to 100,000 tokens and $0.625 for prompts over 100,000; 1-hour cache writes are $0.20 and $1, respectively. Cache reads are $0.01 and $0.05 per million tokens for those same prompt-length tiers. Check Anthropic’s pricing table for the applicable rates and conditions.
- Batch processing: Anthropic lists a 50% discount on input and output token rates for batch processing. Confirm eligibility and current terms for the API route you use.
- Other charges: Add applicable tool, cache, or service-provider costs. Native API, cloud marketplace, geography, and account configuration can affect billing or limits; do not assume the native API’s published token rate captures every deployment’s total.
Claude app and Cowork limits are not API quotas
Anthropic’s Help Center lists Haiku 5.5 context windows of 1 million tokens in Claude chat and 500,000 tokens in Cowork. Those hosted product figures do not replace the API’s model limits, organization quotas, or API billing rules. The Help Center also says paid-plan automatic context management can summarize earlier conversation content when code execution is enabled; longer conversations using that management consume more of the plan’s usage limit. Claude Help Center details
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which model should you compare for a workload?
Price is only one part of a small-model comparison. Start with the workload’s prompt length and expected output, then check the dimensions that can change either feasibility or cost:
- Prompt size and rates: Haiku’s higher pricing tier applies above 100,000 prompt tokens, so a short-prompt quote may not represent a long-context workload.
- Context and output needs: Compare both ceilings against the actual amount of input and generated output needed in one call.
- Account capacity: Check assigned RPM, input and output token throughput, and spend caps rather than treating context size as a usage quota.
- Features and task behavior: Verify supported modalities, reasoning modes, tools, batch processing, and latency for the intended API or hosted product. Vendor descriptions are not independent benchmark results.
- Deployment and billing: Compare the actual provider route and geography. A cloud marketplace price row should not be assumed equivalent to the native API in limits, availability, or total cost.
Anthropic positions Haiku 5.5 for “high-volume, latency-sensitive tasks such as classification, extraction, and routing.” That is the company’s description, not an independent finding that it will outperform another model for those jobs. The published figures support a price-and-capacity comparison, but they do not establish a universal quality winner or predict per-task cost without the workload’s token counts.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
