Automated implementation via the implement pipeline - #111
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Ken Chau (kenotron-ms) wants to merge 3 commits into
Open
Automated implementation via the implement pipeline#111Ken Chau (kenotron-ms) wants to merge 3 commits into
Ken Chau (kenotron-ms) wants to merge 3 commits into
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added 3 commits
September 1, 2026 23:46
## Summary Registers Claude Fable 5.1 in the provider module. ## Model facts (from Anthropic sources) - **API model identifier**: Source: https://docs.anthropic.com/en/docs/about-claude/models/overview (verified 2026-09-01) - **Context window**: 1M tokens (same as Fable 5) Source: https://docs.anthropic.com/en/docs/about-claude/models/overview - **Max output tokens**: 128K tokens (same as Fable 5) Source: https://docs.anthropic.com/en/docs/about-claude/models/overview - **Pricing**: $10/MTok input, $50/MTok output (same as Fable 5) Cache reads: $0.25/MTok (75% cheaper than Fable 5's $1.00/MTok) Cache writes (5-min): $12.50/MTok (same as Fable 5) Source: https://www.anthropic.com/claude-fable-and-mythos-5-1 ("Cache reads now cost 75% less, or $0.25 per million tokens.") - **New/changed API parameters**: None. Same API surface as Fable 5. ## Changes ### `amplifier_module_provider_anthropic/_cost.py` - Added `claude-fable-5-1` to `_RATES` with the new pricing: - `input_per_m`: $10.00 (same as Fable 5) - `output_per_m`: $50.00 (same as Fable 5) - `cache_read_per_m`: $0.25 (75% cheaper than Fable 5's $1.00) - `cache_write_per_m`: $12.50 (same as Fable 5) ### `amplifier_module_provider_anthropic/__init__.py` - Updated `_get_capabilities` docstring to reference Fable 5 / 5.1 (capability detection is family-based, so no code change needed) ### `tests/test_fable51.py` (new) - 27 new tests covering: - Family detection (`claude-fable-5-1` -> `fable`) - Version parsing ((5, 1) from the model ID) - Full capability matrix (128K output, 1M context, adaptive thinking, all effort levels, no speed mode, no manual thinking) - Cost: input/output same as Fable 5; cache_read 75% cheaper - Not in fast-eligible models - Fallback ladder: steps down to opus (same as Fable 5)
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Automated contribution via the implement pipeline.
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