claude-haiku-4-5-20251001_16K: benchmark scores, price and ranking

claude-haiku-4-5-20251001_16K from Anthropic ranks #257 of 743 LLMs on the LLMs Tiger aggregate benchmark score (49.5), based on 1 benchmark results captured up to 2026-10-13.

Organisation: Anthropic
Type: Fast / low-cost (flash) model
Open weights: No
Released: 2025-10-01 (source: name)
Aggregate rank: #257 of 743 (score 49.5)

Across the 1 benchmark where at least ten models are scored, claude-haiku-4-5-20251001_16K is in the top 10% on 0 and in the top half on 1.

claude-haiku-4-5-20251001_16K benchmark results

claude-haiku-4-5-20251001_16K benchmark scores, ranked against all models measured on each benchmark
Benchmark	Score	Rank	Source	Captured
WeirdML	44.1%	#42 of 109	Epoch AI Benchmarking Hub	2026-10-13

About claude-haiku-4-5-20251001_16K

claude-haiku-4-5-20251001_16K is a smaller, lower-cost model from Anthropic. It was released on 2025-10-01, according to the model's own name. No API price is listed for it yet. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.

Where claude-haiku-4-5-20251001_16K stands

On our aggregate score, claude-haiku-4-5-20251001_16K is #257 of 743 ranked models, around the middle of the table. Its score is 49.5; the scale is centred on 50, so it sits 0.5 points below the typical model. That beats 65% of the ranked field. Among the 70 ranked Anthropic models it is #44. The next one up is claude-sonnet-4-20250514_16K at 49.7. The next one down is claude-opus-4-1-20250805_16K at 49.5.

claude-haiku-4-5-20251001_16K, benchmark by benchmark

WeirdML puts claude-haiku-4-5-20251001_16K at 44.1%, #42 of 109. That beats 61% of the models tested, but 49.1 points short of GPT-6 Astra (max) (93.3%). The results either side are claude-haiku-4-5-20251001 (45.4%) and claude-sonnet-4-20250514 (43.9%). It covers unusual machine-learning tasks. The board median is 41.2%, so claude-haiku-4-5-20251001_16K is 3.0 points above it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.

Release history

The Anthropic model released before it was Claude Sonnet 4.5 (59k thinking) on 2025-09-29, which scores 50.6. The next one was claude-haiku-4-5-20251001_1K on 2025-10-01, at 49.8.

Reading these numbers

The 1 score on this page comes from 1 source: Epoch AI Benchmarking Hub (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.

Models ranked nearby

#254 Mistral-Large-Instruct-2411 (49.6)
#255 DeepSeek v4 Flash (max) (49.6)
#256 gpt-4o-2024-11-20 (49.6)
#258 Kimi-K2-Instruct-0905 (49.5)
#259 mimo-v2.5-pro (49.5)
#260 Reka Flash 3 (49.5)