Migrating from claude-3-5-haiku-20241022 to claude-haiku-4-5-20251001

What changes when you move from claude-3-5-haiku-20241022 to claude-haiku-4-5-20251001: input price +25%, output price +25%.

From: claude-3-5-haiku-20241022
Status: Retired
Shutdown: Feb 19, 2026
Time left: —

To: claude-haiku-4-5-20251001
Status: Active
Shutdown: not before Oct 15, 2026
Time left: —

Prices

USD per 1M tokens, standard tier

Type	claude-3-5-haiku-20241022	claude-haiku-4-5-20251001	Change
Input	$0.80first seen October 1, 2026 · source	$1.00first seen October 1, 2026 · source	+25%
Cached input	$0.08first seen October 1, 2026 · source	$0.10first seen October 1, 2026 · source	+25%
Output	$4.00first seen October 1, 2026 · source	$5.00first seen October 1, 2026 · source	+25%

At 1M input and 250K output tokens a month: $1.80 on claude-3-5-haiku-20241022, $2.25 on claude-haiku-4-5-20251001 (+25%).

Other tiers, prompt-size bands and modalities are on each model's page.

Limits

Tokens

Limit	claude-3-5-haiku-20241022	claude-haiku-4-5-20251001	Change
Context window	Not published	200,000 tokensin place when tracking began (October 6, 2026) · source	—
Max output tokens	Not published	64,000 tokensin place when tracking began (October 6, 2026) · source	—

Benchmarks

Same benchmark and source on both sides; settings named where they differ

Benchmark	claude-3-5-haiku-20241022	claude-haiku-4-5-20251001	Change
Arena TextArena. Ranges don't overlap.	1325 ±3	1414 ±2	+89
Arena Text: CodingArena. Ranges don't overlap.	1386 ±6	1481 ±4	+95
GPQA DiamondEpoch AI, 32k (vs no setting). Other settings 38.1% → 60.5%	38.1%	71.2%	+33.1 pts
MATH Level 5Epoch AI, 32k (vs no setting). Other settings 46.4% → 86.9%	46.4%	96.4%	+50.0 pts
OTIS Mock AIME 2024-2025Epoch AI, 32k (vs no setting). Other settings 4.3% → 35.8%	4.3%	66.7%	+62.4 pts

A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

Features and parameters

Compare models

No feature is published for both models, so none can be compared.

Not published for claude-3-5-haiku-20241022: Structured outputs, Function calling, Prompt caching, Batch API, Image input, PDF input, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Context window, Max output tokens.

Not published for claude-haiku-4-5-20251001: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.

Aliases

All aliases

No aliases point at claude-3-5-haiku-20241022.

Aliases pointing at claude-haiku-4-5-20251001: claude-haiku-4-5 (in place when tracking began (October 6, 2026) · source)

On cloud platforms

All platform dates

Model	Platform	Platform ID	Shutdown	Time left
claude-3-5-haiku-20241022	Google Cloud Vertex AI	claude-3-5-haiku	Jul 5, 2026Retired on July 5, 2026
claude-haiku-4-5-20251001	Amazon Bedrock	anthropic.claude-haiku-4-5	not before Oct 16, 2026Active
claude-haiku-4-5-20251001	Microsoft Foundryversion 1	claude-haiku-4-5	Nov 15, 2026Active	31 days
claude-haiku-4-5-20251001	Microsoft Foundryversion 2	claude-haiku-4-5	Nov 15, 2026Active	31 days

Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.

Checklist

Change the model string from claude-3-5-haiku-20241022 to claude-haiku-4-5-20251001.
Re-check costs: claude-haiku-4-5-20251001 costs more than claude-3-5-haiku-20241022 (input +25%, output +25%).

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-3-5-haiku-20241022, claude-haiku-4-5-20251001.