Migrating from gpt-4-0314 to gpt-5
What changes when you move from gpt-4-0314 to gpt-5: prices, limits, features and parameters, read from each company's own pages.
- From
- gpt-4-0314
- Status
- Retired
- Shutdown
- Mar 26, 2026
- Time left
- —
- To
- gpt-5
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | gpt-4-0314 | gpt-5 | Change |
|---|---|---|---|
| Input | Not published | $1.25first seen October 1, 2026 · source | — |
| Cached input | Not published | $0.125first seen October 1, 2026 · source | — |
| Output | Not published | $10.00first seen October 1, 2026 · source | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | gpt-4-0314 | gpt-5 | Change |
|---|---|---|---|
| Context window | Not published | 400,000 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-4-0314 | gpt-5 | Change |
|---|---|---|---|
| Arena TextArena, high effort (vs no setting). Ranges don't overlap. | 1288 ±5 | 1435 ±5 | +147 |
| Arena Text: CodingArena, high effort (vs no setting). Ranges don't overlap. | 1330 ±9 | 1471 ±8 | +141 |
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.
Features and parameters
Compare modelsNo feature is published for both models, so none can be compared.
Not published for gpt-4-0314: 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: PDF input, temperature parameter, top_p parameter, logprobs.
Aliases
All aliasesNo aliases point at either model.
Checklist
- Change the model string from
gpt-4-0314togpt-5.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: gpt-4-0314, gpt-5.