AIpedia#64 Claude Haiku 4.5
Released: · SourceText; Coding; Reasoning
- Use cases
- Coding, Reasoning, Text
- Accepts
- No verified data
- Produces
- No verified data
Access
Price USD
| Provider | Price USD | Conditions |
|---|---|---|
| Anthropic · API | $0.1 / 1M cache-read tokens | Standard · Direct Claude API; base input, 5m/1h cache writes, cache hits and output have separate rates. Not a Claude/Claude Code subscription price.Source · 19.09.2026 |
| Anthropic · API | $1.25 / 1M cache-write tokens | Standard · Direct Claude API; base input, 5m/1h cache writes, cache hits and output have separate rates. Not a Claude/Claude Code subscription price.Source · 19.09.2026 |
| Anthropic · API | $1 / 1M input tokens | Standard · Direct Claude API; base input, 5m/1h cache writes, cache hits and output have separate rates. Not a Claude/Claude Code subscription price.Source · 19.09.2026 |
| Anthropic · API | $5 / 1M output tokens | Standard · Direct Claude API; base input, 5m/1h cache writes, cache hits and output have separate rates. Not a Claude/Claude Code subscription price.Source · 19.09.2026 |
Evaluator & score
Composite index · published model-group index · 20.09.2026 · Higher is better
Snapshot: 2026-09-20 · 90% CI [139.8, 144.07]
Official Epoch AI index; combines own, third-party and developer-reported results. It is not a safety audit or a media-generation score.
Conditions
Epoch Capabilities Index; official model-group estimates
Official ECI model scores, Epoch AI, CC BY 4.0. Composite of own, third-party and developer-reported results. 90% bootstrap interval. Not a per-effort score; export date is the model release date, not measurement date. Methodology: https://epoch.ai/eci#documentation
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Chess Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Chess Puzzles; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: QUuykbQhKapHn3gjLFjTam; file: chess_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 16.07.2026
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: claude-haiku-4-5-20251001; mode: default (effort unspecified by source); source id: 8sTJmYZ7MSk8obK9vjUjHm; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 16.10.2025
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: fdNzD5mp8r2bHxy2PXx6Gh; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 22.10.2025
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath-Tier-4-2025-07-01-Private; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-Tier-4-2025-07-01-Private; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: YRVwm4B88qK6aUEFBdNQmP; file: frontiermath_tier_4.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 22.10.2025
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
GPQA Diamond; Epoch AI own run; best score across scorers
Epoch AI own run; GPQA diamond; version: claude-haiku-4-5-20251001; mode: default (effort unspecified by source); source id: cgnopvpB6mzsfb9yGnYK2z; file: gpqa_diamond.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 16.10.2025
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
GPQA Diamond; Epoch AI own run; best score across scorers
Epoch AI own run; GPQA diamond; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: GEaAdb9UmoUFbEtBx7WzAR; file: gpqa_diamond.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 22.10.2025
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
MATH level 5; Epoch AI own run; best score across scorers
Epoch AI own run; MATH level 5; version: claude-haiku-4-5-20251001; mode: default (effort unspecified by source); source id: 3w2dD9rcMPHLYsEsJmYsCX; file: math_level_5.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 16.10.2025
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
MATH level 5; Epoch AI own run; best score across scorers
Epoch AI own run; MATH level 5; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: Qwci6JAG4DUWqA9eSHThDJ; file: math_level_5.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 22.10.2025
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: claude-haiku-4-5-20251001; mode: default (effort unspecified by source); source id: Wf2kwcXu8YXNgzDCxChtvj; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 16.10.2025
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: neZvEzLi6yeL9z5KjGef7H; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 22.10.2025
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
SimpleQA Verified; Epoch AI own run; best score across scorers
Epoch AI own run; SimpleQA Verified; version: claude-haiku-4-5-20251001; mode: default (effort unspecified by source); source id: J2kUEjR9r6Spd594qDNTTf; file: simpleqa_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 10.08.2026
Independent run · thinking budget 32K · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
SimpleQA Verified; Epoch AI own run; best score across scorers
Epoch AI own run; SimpleQA Verified; version: claude-haiku-4-5-20251001_32K; mode: thinking budget 32K; source id: VhBM9HgJ2RuSVwXriRXMVJ; file: simpleqa_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 27.08.2026