Claude API pricing, checked nightly.
Prices below are checked nightly against Anthropic’s official pricing page and stored in an append-only history. A successful reproduction is verified. If a price cannot be reproduced, its last known value is carried forward and marked accordingly.
Current list prices
| Model | Input / 1M | Output / 1M | Context | The Hobbit* |
|---|---|---|---|---|
| Claude Haiku 4.5 · Small TokenScale observation: verified 2026-10-06 | $1.00 | $5.00 | 200K | $0.6357 |
| Claude Sonnet 5.5 · Mid TokenScale observation: verified 2026-10-06 | $2.00 | $10.00 | 1M | $1.27 |
| Claude Opus 5.5 · Flagship TokenScale observation: verified 2026-10-06 | $4.00 | $20.00 | 1M | $2.54 |
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* Cost to generate The Hobbit (95,356 words ≈ 127,141 tokens) as output. Word count verified against Project Gutenberg.
All tracked Anthropic models
| Model | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| Claude Opus 5.5 Tracked Flagship from 25 Sep 2026 · generally available since 22 Sep 2026 | $4.00 | $20.00 | 1M |
| Claude Fable 5.1 Mythos-class, highest-priced current Claude model · tracked Flagship 3 to 24 Sep 2026 | $10.00 | $50.00 | 1M |
| Claude Fable 5 Previous Mythos-class flagship · still listed separately at the same standard rate | $10.00 | $50.00 | 1M |
| Claude Haiku 4.5 Fastest, lowest cost | $1.00 | $5.00 | 200K |
| Claude Sonnet 5.5 Tracked Mid from 28 Sep 2026 · generally available successor to Sonnet 5 | $2.00 | $10.00 | 1M |
| Claude Sonnet 5 Previous Mid model · tracked through 27 Sep 2026 | $2.00 | $10.00 | 1M |
| Claude Sonnet 4.6 Previous generation, still available | $3.00 | $15.00 | 1M |
| Claude Opus 5 Current Opus line, launched 24 Jul 2026 at the rate Opus 4.8 held · Opus 4.8 also still sold | $5.00 | $25.00 | 1M |
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Recent list-price changes
| Date | Tier | Was (in / out) | Now (in / out) |
|---|---|---|---|
| 2026-09-25 | Claude Opus 5.5 (tier) | $10.00 / $50.00 | $4.00 / $20.00 |
| 2026-07-02 | historical slot before Claude Fable 5.1 (tier) | $5.00 / $25.00 | $10.00 / $50.00 |
| 2026-06-12 | historical slot before Claude Fable 5.1 (tier) | $10.00 / $50.00 | $5.00 / $25.00 |
| 2026-06-10 | historical slot before Claude Fable 5.1 (tier) | $5.00 / $25.00 | $10.00 / $50.00 |
| 2026-05-15 | historical slot before Claude Fable 5.1 (tier) | $15.00 / $75.00 | $5.00 / $25.00 |
| 2026-05-14 | historical slot before Claude Sonnet 5.5 (tier) | $8.00 / $24.00 | $3.00 / $15.00 |
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Changes are recorded the night they appear on the official pricing page, unless corrected to an earlier confirmed effective date. A historical slot is labelled neutrally when a later model replacement would otherwise rewrite the past. Full history: the charts.
About these numbers. The provider page is the authority for its current published price. TokenScale checks nightly against the official pricing page and keeps an independent append-only record of what was verified, changed, corrected or carried forward (data through 2026-10-06). Last hand-verified 2026-10-06. List prices only: promotions and limited-time discounts never enter the history. When a price cannot be reproduced, its last known value is retained and marked as carried; a later successful check verifies only its own date. If a number is wrong, the correction is published, not buried: see the methodology.
More pricing pages
- All tracked model pricing pages
- Model cost comparisons
- Public historical pricing dataset
- OpenAI API pricing
- Gemini API pricing
- The cheapest LLM APIs, ranked
- The state of AI pricing: the market, measured
- Price a real workload on the TokenScale calculator
- Night-by-night price history, one chart per provider
- The Chart: every model ranked, replayed at each price change