Migrating from o3-2025-04-16 to gpt-5.6-sol
What changes when you move from o3-2025-04-16 to gpt-5.6-sol: prices, limits, features and parameters, read from each company's own pages.
- From
- o3-2025-04-16
- Status
- Deprecated
- Shutdown
- Dec 11, 2026
- Time left
- 57 days
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | o3-2025-04-16 | gpt-5.6-sol | Change |
|---|---|---|---|
| Input | Not published | $4.00first seen October 1, 2026 · source | — |
| Cached input | Not published | $0.40first seen October 1, 2026 · source | — |
| Output | Not published | $20.00first seen October 1, 2026 · source | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | o3-2025-04-16 | gpt-5.6-sol | Change |
|---|---|---|---|
| Context window | Not published | 1,050,000 tokensin place when tracking began (October 7, 2026) · source | — |
| Max output tokens | Not published | 128,000 tokensin place when tracking began (October 7, 2026) · source | — |
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | o3-2025-04-16 | gpt-5.6-sol | Change |
|---|---|---|---|
| Arena TextArena, xhigh effort (vs no setting). Ranges don't overlap. | 1432 ±4 | 1485 ±4 | +53 |
| Arena Text: CodingArena, xhigh effort (vs no setting). Ranges don't overlap. | 1460 ±6 | 1534 ±7 | +74 |
| Arena VisionArena, xhigh effort (vs no setting). Ranges don't overlap. | 1216 ±7 | 1287 ±7 | +71 |
| FrontierMath Tiers 1-3Epoch AI, max effort (vs high effort). | 33.3% | 89.1% | +55.8 pts |
GPQA DiamondEpoch AI, max effort (vs high effort).Other settings
| 81.8% | 93.5% | +11.7 pts |
OTIS Mock AIME 2024-2025Epoch AI, max effort (vs medium effort).Other settings
| 84.4% | 100.0% | +15.6 pts |
| SimpleQA VerifiedEpoch AI, max effort (vs high effort). | 49.4% | 69.7% | +20.3 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 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.
Not published for gpt-5.6-sol: PDF input, temperature parameter, top_p parameter, logprobs.
Free tier
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)
gpt-5.6-sol: 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 o3-2025-04-16: o3 (in place when tracking began (October 7, 2026) · source)
Aliases pointing at gpt-5.6-sol: gpt-daybreak-blue-latest (in place when tracking began (October 7, 2026) · source)
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| o3-2025-04-16 | Microsoft Foundryversion 2025-04-16 | o3 | Nov 19, 2026Deprecated | 35 days |
| gpt-5.6-sol | Amazon Bedrock | openai.gpt-5.6-sol | not before Jul 13, 2027Active | |
| gpt-5.6-sol | Microsoft Foundryversion 2026-07-09 | gpt-5.6-sol | Jan 11, 2028Active | 453 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
o3-2025-04-16togpt-5.6-sol.
Counting to 7:00 pm ET on December 10, 2026, which is 00:00 UTC on December 11, 2026.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: o3-2025-04-16, gpt-5.6-sol.