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Reading the price history.
Loading model
Reading the price history.
USD per 1M tokens. Tracked: our read of the official page on 8 Oct 2026. MPW: the current Model Price Watch listing.
AgreeOur read of the official page on 8 Oct 2026 matches MPW on input, output and cached input.
| Price | Tracked | MPW | Difference | Agreement |
|---|---|---|---|---|
| Input | 10.00 | 10.00 | 0.00 (0.0%) | Agree |
| Output | 50.00 | 50.00 | 0.00 (0.0%) | Agree |
| Cached input | 0.25 | 0.25 | 0.00 (0.0%) | Agree |
| BlendedDerived | 20.00 | 20.00 | 0.00 (0.0%) | Agree |
USD per 1M tokens, to 8 Oct 2026. A price holds until it changes; the tracked line breaks on days without a read.
Left and Right arrow keys move between price changes. Shift with an arrow key moves one day. Home and End jump to the ends. Escape hides the details.
Left and Right arrow keys move between covered runs and points. Up and Down switch rows. Escape hides the details.
Tracker: 1 of 1 day observed (100%) · MPW: 38 records since 1 Sep 2026 · Mismatch: 0 days
Left and Right arrow keys move between price changes. Shift with an arrow key moves one day. Home and End jump to the ends. Escape hides the details.
Left and Right arrow keys move between covered runs and points. Up and Down switch rows. Escape hides the details.
Tracker: 1 of 1 day observed (100%) · MPW: 38 records since 1 Sep 2026 · Mismatch: 0 days
Left and Right arrow keys move between price changes. Shift with an arrow key moves one day. Home and End jump to the ends. Escape hides the details.
Left and Right arrow keys move between covered runs and points. Up and Down switch rows. Escape hides the details.
Tracker: 1 of 1 day observed (100%) · MPW: 38 records since 1 Sep 2026 · Mismatch: 0 days
Left and Right arrow keys move between price changes. Shift with an arrow key moves one day. Home and End jump to the ends. Escape hides the details.
Left and Right arrow keys move between covered runs and points. Up and Down switch rows. Escape hides the details.
Tracker: 1 of 1 day observed (100%) · MPW: 38 records since 1 Sep 2026 · Mismatch: 0 days
Moves between two known prices, newest first, from both histories. A price that only appears or disappears is a coverage change, not a move.
No price moves recorded.
MPW records no price move since its first record on 1 Sep 2026. Our tracker records no move since its first read on 8 Oct 2026.
How many days each history observed this model, and where it has gaps.
| Measure | MPWModel Price Watch | TrackedOur tracker |
|---|---|---|
| Data points | 38 | 1 |
| First observed | ||
| Last observed | ||
| Observed days | 38 | 1 |
| Gap days | 0 | 0 |
| Observed runs |
|
|
| Backfill points | None | Not used: every point is a daily read |
| Mismatch days | 0 | |
The provider pricing page that our daily tracker reads for this model.
Official markdown twin of https://platform.claude.com/docs/en/about-claude/pricing. It returns the same text/markdown document for any Accept header; the explicit accept header only states the intent and keeps one shared fetch with platform-claude-com-docs-en-about-claude-pricing, which fetches the same URL with the same header, so a page change affects both sources. The recipe reads only the "## Model pricing" table: section anchors on its header row "| Model | Base input tokens | 5m cache writes | 1h cache writes | Cache hits and refreshes | Output tokens |" (the two cache-write names are wildcards), which proves the column order the pattern relies on; section_end ^(?!\|) stops at the first line that is not a table row. Cached comes from the Cache hits and refreshes column (footnote 1: 0.025x base input). The Claude Mythos 5.1 row has the same prices but is a different model, and MPW does not cite it for this page.
The third-party price history (CC BY 4.0) that this page compares with our tracker.
Cache hits and refreshes on Claude Fable 5.1 (and Claude Mythos 5.1) are priced at 0.025x the base input price — $0.25 per 1M tokens — where every other Claude model uses the standard 0.1x multiplier. Base $10/$50 per 1M tokens; Batch API $5/$25. Verified 2026-09-01 against platform.claude.com/docs/en/about-claude/pricing.