Migrating from o1-2024-12-17 to o3-2025-04-16
What changes when you move from o1-2024-12-17 to o3-2025-04-16: prices, limits, features and parameters, read from each company's own pages.
- From
- o1-2024-12-17
- Status
- Deprecated
- Shutdown
- Oct 23, 2026
- Time left
- 8 days
- Status
- Deprecated
- Shutdown
- Dec 11, 2026
- Time left
- 57 days
o3-2025-04-16 is itself deprecated, shutting down Dec 11, 2026. Its replacement is gpt-5.6-sol.
Prices
USD per 1M tokens, standard tier| Type | o1-2024-12-17 | o3-2025-04-16 | Change |
|---|---|---|---|
| Input | $15.00first seen October 1, 2026 · source | Not published | — |
| Cached input | $7.50first seen October 1, 2026 · source | Not published | — |
| Output | $60.00first seen October 1, 2026 · source | Not published | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | o1-2024-12-17 | o3-2025-04-16 | Change |
|---|---|---|---|
| Context window | 200,000 tokensin place when tracking began (October 7, 2026) · source | Not published | — |
| Max output tokens | 100,000 tokensin place when tracking began (October 7, 2026) · source | Not published | — |
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | o1-2024-12-17 | o3-2025-04-16 | Change |
|---|---|---|---|
| Arena TextArena. Ranges don't overlap. | 1402 ±4 | 1432 ±4 | +30 |
| Arena Text: CodingArena. Ranges don't overlap. | 1433 ±10 | 1460 ±6 | +27 |
| Arena VisionArena. Ranges don't overlap. | 1193 ±11 | 1216 ±7 | +23 |
FrontierMath Tiers 1-3Epoch AI, high effort.Other settings
| 14.7% | 33.3% | +18.6 pts |
GPQA DiamondEpoch AI, high effort.Other settings
| 76.8% | 81.8% | +5.0 pts |
| MATH Level 5Epoch AI, high effort. | 94.7% | 97.8% | +3.1 pts |
OTIS Mock AIME 2024-2025Epoch AI, medium effort.Other settings
| 73.3% | 84.4% | +11.1 pts |
| SimpleQA VerifiedEpoch AI, high effort. | 41.1% | 49.4% | +8.3 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 modelsNo feature is published for both models, so none can be compared.
Not published for o1-2024-12-17: Prompt caching, PDF input, Built-in web search, temperature parameter, top_p parameter, logprobs.
Not published for o3-2025-04-16: 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.
Free tier
o1-2024-12-17: Free for shared data, 1M tokens a day for Launch and Grow (250K for Build), in place when tracking began (October 12, 2026) (source)
o3-2025-04-16: Free for shared data, 1M tokens a day for Launch and Grow (250K for Build), in place when tracking began (October 12, 2026) (source) · All free models
Aliases
All aliasesAliases pointing at o1-2024-12-17: o1 (in place when tracking began (October 7, 2026) · source)
Aliases pointing at o3-2025-04-16: o3 (in place when tracking began (October 7, 2026) · source)
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| o1-2024-12-17 | Microsoft Foundryversion 2024-12-17 | o1 | Nov 19, 2026Deprecated | 35 days |
| o3-2025-04-16 | Microsoft Foundryversion 2025-04-16 | o3 | Nov 19, 2026Deprecated | 35 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
o1-2024-12-17too3-2025-04-16.
Counting to 8:00 pm ET on October 22, 2026, which is 00:00 UTC on October 23, 2026.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: o1-2024-12-17, o3-2025-04-16.