Migrating from claude-2.1 to claude-3-opus-20240229
What changes when you move from claude-2.1 to claude-3-opus-20240229: prices, limits, features and parameters, read from each company's own pages.
- From
- claude-2.1
- Status
- Retired
- Shutdown
- Jul 21, 2025
- Time left
- —
- Status
- Retired
- Shutdown
- Jan 5, 2026
- Time left
- —
claude-3-opus-20240229 is itself retired. Its replacement is claude-opus-4-8.
Prices
USD per 1M tokens, standard tierNeither model has published per-token prices.
Limits
TokensNeither company publishes a context window or output limit for these models.
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | claude-2.1 | claude-3-opus-20240229 | Change |
|---|---|---|---|
| GPQA DiamondEpoch AI. | 33.0% | 47.2% | +14.2 pts |
| OTIS Mock AIME 2024-2025Epoch AI. | 1.9% | 4.7% | +2.8 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: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsNeither company publishes feature facts for these models.
Aliases
All aliasesNo 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-2.1toclaude-3-opus-20240229.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-2.1, claude-3-opus-20240229.