Provider pricing hub
Anthropic API pricing at the catalog rate.
As of 24 October 2026, RouterPlex lists 9 Anthropic chat routes, including Opus, Sonnet and Haiku. Token prices are vendor list rates with 0% markup. The calculator uses those live numbers, not a scraped marketing table. Sonnet 5's intro rate ended 31 August 2026; the catalog row is the bill.
9
Routes
$1.00
Cheapest input / 1M
Anthropic pricing calculator
Same workload. Every Claude route.
Defaults are a 10K-in / 1K-out request, 3,000 times a month. Switch to the 100K / 10K agent turn if you are costing a coding loop.
Workload calculator
Catalog rates · USD · no markup
Models in the estimate
4 selected| Route | Per request | Monthly | $100 buys |
|---|---|---|---|
| Claude Haiku 4.5 Anthropic | $0.015 | $45.00 | 6,666 req |
| Claude Sonnet 5 Anthropic | $0.030 | $90.00 | 3,333 req |
| Claude Sonnet 4.6 Anthropic | $0.045 | $135.00 | 2,222 req |
| Claude Opus 5.5 Anthropic | $0.060 | $180.00 | 1,666 req |
Estimates apply live catalog input and output rates only. Actual spend follows the tokens your client sends and the model returns. Image-generation routes are omitted because they are not a chat turn.
Anthropic family
Published catalog rates.
Agent-turn cost uses 100K input and 10K output so a cheap input rate cannot hide expensive output.
| Model route | Context | Input / 1M | Cached input / 1M | Output / 1M | Agent turn |
|---|---|---|---|---|---|
Claude Haiku 4.5 claude-haiku-4-5 | 256K | $1.00 | $0.08 | $5.00 | $0.15 |
Claude Sonnet 5 claude-sonnet-5 | 1M | $2.00 | $0.30 | $10.00 | $0.30 |
| Anthropic list price. The $2 input / $10 output rate was announced as introductory through August 31, 2026; Anthropic has since made it the standard price and cancelled the planned rise to $3 / $15. Cached prompt tokens are billed at $0.30 per 1M (Anthropic lists $0.20): our rate is set from what our upstream charges us, not from the lab's cache price. | |||||
Claude Sonnet 4.6 claude-sonnet-4-6 | 1M | $3.00 | $0.25 | $15.00 | $0.45 |
Claude Opus 5.5 claude-opus-5-5 | 1M | $4.00 | $0.425 | $20.00 | $0.60 |
Claude Opus 4.6 claude-opus-4-6 | 1M | $5.00 | $0.425 | $25.00 | $0.75 |
Claude Opus 4.7 claude-opus-4-7 | 1M | $5.00 | $0.425 | $25.00 | $0.75 |
Claude Opus 4.8 claude-opus-4-8 | 1M | $5.00 | $0.425 | $25.00 | $0.75 |
Claude Opus 5 claude-opus-5 | 1M | $5.00 | $0.425 | $25.00 | $0.75 |
Claude Fable 5 claude-fable-5 | 1M | $10.00 | $1.20 | $50.00 | $1.50 |
How to pick
Price is the easy part. The family is not.
These notes only use catalog fields: price, context, and mode. They are not quality rankings.
Cheapest chat route
Claude Haiku 4.5 is the low-cost Anthropic default in this catalog. Use it when the task is short and you will retry rather than spend Opus or Fable rates on a first draft.
Fable is not a cheaper Opus
Claude Fable 5 lists at $10.00 / $50.00 while Claude Opus 5 is $5.00 / $25.00. Pick Fable when you mean the higher-rate flagship, not because the name sounds adjacent to Opus.
One key, two SDK shapes
Claude Code and the Anthropic SDK use https://api.routerplex.com. Cursor, Cline, and the OpenAI SDK use https://api.routerplex.com/v1. Same key, same catalog IDs, same per-key budget.
Compare the rest of the catalog on all model pricing, the OpenAI hub, the Gemini, DeepSeek and Kimi hubs, or the cheapest-first ledger. Setup notes for Claude Opus 5, Claude Fable 5, and Claude Code pricing sit next to the calculator. Claude Haiku 5.5 pricing is published, and that model is not listed yet. Quality evidence lives on benchmarks.
Before you bill production
Anthropic pricing, in questions.
01How much does the Anthropic API cost on RouterPlex?+
As of 24 October 2026, RouterPlex bills Anthropic chat models at the live catalog rate with 0% markup. Claude Haiku 4.5 is the cheapest chat route at $1.00 per 1M input tokens and $5.00 per 1M output tokens. The same rates appear on each model page and in the calculator above.
02What is the cheapest Anthropic model here?+
Claude Haiku 4.5 is the cheapest Anthropic chat route in this catalog: $1.00 / $5.00 per 1M tokens, about $0.15 for a 100K-in / 10K-out agent turn.
03Does RouterPlex mark up Claude token prices?+
No. Anthropic chat routes are billed at the vendor list price shown in the catalog. There is no per-token markup and no fee when you top up. You pay for the tokens the model actually uses, from a prepaid balance that stops at $0.
04Can I use these models with the Anthropic SDK or Claude Code?+
Yes. Point the Anthropic SDK or Claude Code at https://api.routerplex.com (the SDK appends /v1/messages), use your RouterPlex key as ANTHROPIC_AUTH_TOKEN, and set the model string to the catalog id (for example "claude-sonnet-5" or "claude-haiku-4-5").
05Can I use Claude with the OpenAI SDK?+
Yes. Point any OpenAI SDK or tool at https://api.routerplex.com/v1, use your RouterPlex key, and set the model string to the catalog id. The request shape stays Chat Completions. Cursor, Cline, and Aider use this path.
06Why might a number here differ from anthropic.com/pricing?+
This page shows the rate RouterPlex bills today, pulled from the live catalog on 24 October 2026. Official marketing pages can change, hydrate in JavaScript, or list a promotional cut we have not been charged yet. Claude Sonnet 5's intro rate ended 31 August 2026. If the two disagree, the catalog rate is what a request on this key costs.
07How does Claude Fable 5 compare to Opus 5 on price?+
Claude Fable 5 is $10.00 / $50.00 per 1M against Claude Opus 5 at $5.00 / $25.00. Fable is the higher-rate Anthropic flagship on this catalog, not a cheaper Opus.
08Which Anthropic model has the largest context window?+
Claude Sonnet 5 publishes the largest context in this Anthropic set (1M). Context is a catalog field, not a quality score.
09Is there an Anthropic image-generation route?+
No. This Anthropic set is chat models only. Image-generation routes from other providers are listed on the models index and excluded from cheapest-model rankings.
Route Claude from one balance
One key reaches every Claude route here.
Top up from $5. No subscription. No token markup.