Migrating from gpt-5-mini-2025-08-07 to gpt-5.6-terra
What changes when you move from gpt-5-mini-2025-08-07 to gpt-5.6-terra: prices, limits, features and parameters, read from each company's own pages.
- 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 | gpt-5-mini-2025-08-07 | gpt-5.6-terra | Change |
|---|---|---|---|
| Input | Not published | $2.00first seen October 1, 2026 · source | — |
| Cached input | Not published | $0.20first seen October 1, 2026 · source | — |
| Output | Not published | $12.00first seen October 1, 2026 · source | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | gpt-5-mini-2025-08-07 | gpt-5.6-terra | 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 | gpt-5-mini-2025-08-07 | gpt-5.6-terra | Change |
|---|---|---|---|
| FrontierMath Tier 4Epoch AI, max effort (vs high effort). | 12.2% | 70.7% | +58.5 pts |
| FrontierMath Tiers 1-3Epoch AI, max effort (vs high effort). | 46.7% | 86.0% | +39.3 pts |
GPQA DiamondEpoch AI, max effort (vs high effort).Other settings
| 75.0% | 93.3% | +18.3 pts |
OTIS Mock AIME 2024-2025Epoch AI, max effort (vs high effort).Other settings
| 86.7% | 99.7% | +13.0 pts |
| SimpleQA VerifiedEpoch AI, max effort (vs high effort). | 21.6% | 43.2% | +21.6 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 modelsNo feature is published for both models, so none can be compared.
Not published for gpt-5-mini-2025-08-07: 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-terra: PDF input, temperature parameter, top_p parameter, logprobs.
Free tier
gpt-5-mini-2025-08-07: Free for shared data, 10M tokens a day for Launch and Grow (2.5M for Build), in place when tracking began (October 12, 2026) (source)
gpt-5.6-terra: Free for shared data, 10M tokens a day for Launch and Grow (2.5M for Build), in place when tracking began (October 12, 2026) (source) · All free models
Aliases
All aliasesAliases pointing at gpt-5-mini-2025-08-07: gpt-5-mini (in place when tracking began (October 7, 2026) · source)
No aliases point at gpt-5.6-terra.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| gpt-5-mini-2025-08-07 | Microsoft Foundryversion 2025-08-07 | gpt-5-mini | Feb 9, 2027Active | 117 days |
| gpt-5.6-terra | Amazon Bedrock | openai.gpt-5.6-terra | not before Jul 13, 2027Active | |
| gpt-5.6-terra | Microsoft Foundryversion 2026-07-09 | gpt-5.6-terra | 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
gpt-5-mini-2025-08-07togpt-5.6-terra.
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: gpt-5-mini-2025-08-07, gpt-5.6-terra.