Migrating from claude-3-sonnet-20240229 to claude-3-5-sonnet-20241022

What changes when you move from claude-3-sonnet-20240229 to claude-3-5-sonnet-20241022: prices, limits, features and parameters, read from each company's own pages.

From: claude-3-sonnet-20240229
Status: Retired
Shutdown: Jul 21, 2025
Time left: —

To: claude-3-5-sonnet-20241022
Status: Retired
Shutdown: Oct 28, 2025
Time left: —

claude-3-5-sonnet-20241022 is itself retired. Its replacement is claude-sonnet-5-5.

Prices

USD per 1M tokens, standard tier

Neither model has published per-token prices.

Limits

Tokens

Neither company publishes a context window or output limit for these models.

Benchmarks

Same benchmark, source and setting on both sides

Benchmark	claude-3-sonnet-20240229	claude-3-5-sonnet-20241022	Change
Arena TextArena. Ranges don't overlap.	1281 ±4	1374 ±3	+93
Arena Text: CodingArena. Ranges don't overlap.	1318 ±7	1436 ±6	+118
Arena VisionArena. Ranges don't overlap.	1016 ±11	1160 ±8	+144
GPQA DiamondEpoch AI.	40.6%	55.3%	+14.7 pts
MATH Level 5Epoch AI.	18.2%	56.9%	+38.7 pts
OTIS Mock AIME 2024-2025Epoch AI.	2.5%	8.5%	+6.0 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

Neither company publishes feature facts for these models.

Aliases

All aliases

No aliases point at either model.

On cloud platforms

All platform dates

Model	Platform	Platform ID	Shutdown	Time left
claude-3-5-sonnet-20241022	Google Cloud Vertex AI	claude-3-5-sonnet-v2	Feb 19, 2026Retired on February 19, 2026

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-sonnet-20240229 to claude-3-5-sonnet-20241022.

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-3-sonnet-20240229, claude-3-5-sonnet-20241022.