Migrating from claude-3-opus-20240229 to claude-opus-4-20250514

What changes when you move from claude-3-opus-20240229 to claude-opus-4-20250514: prices, limits, features and parameters, read from each company's own pages.

From: claude-3-opus-20240229
Status: Retired
Shutdown: Jan 5, 2026
Time left: —

To: claude-opus-4-20250514
Status: Retired
Shutdown: Jun 15, 2026
Time left: —

claude-opus-4-20250514 is itself retired. Its replacement is claude-opus-4-8.

Prices

USD per 1M tokens, standard tier

Type	claude-3-opus-20240229	claude-opus-4-20250514	Change
Input	Not published	$15.00first seen October 1, 2026 · source	—
Cached input	Not published	$1.50first seen October 1, 2026 · source	—
Output	Not published	$75.00first seen October 1, 2026 · source	—

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

Limits

Tokens

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

Benchmarks

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

Benchmark	claude-3-opus-20240229	claude-opus-4-20250514	Change
Arena TextArena, thinking 16k (vs no setting). Ranges don't overlap. Other settings 1322 ±3 → 1414 ±4	1322 ±3	1426 ±4	+104
Arena Text: CodingArena, thinking 16k (vs no setting). Ranges don't overlap. Other settings 1355 ±6 → 1464 ±7	1355 ±6	1498 ±8	+143
Arena VisionArena, thinking 16k (vs no setting). Ranges don't overlap. Other settings 1061 ±10 → 1188 ±13	1061 ±10	1208 ±16	+147
GPQA DiamondEpoch AI, 16k (vs no setting). Other settings 47.2% → 69.2%	47.2%	76.3%	+29.1 pts
MATH Level 5Epoch AI.	37.5%	85.0%	+47.5 pts
OTIS Mock AIME 2024-2025Epoch AI, 27k (vs no setting). Other settings not run → 60.0% 16k 4.7% → 42.2%	4.7%	64.4%	+59.7 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-opus-20240229	Google Cloud Vertex AI	claude-3-opus	Aug 1, 2025Retired on August 1, 2025

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-opus-20240229 to claude-opus-4-20250514.

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-3-opus-20240229, claude-opus-4-20250514.