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Migrating from gpt-4-turbo to gpt-4o-2024-05-13

What changes when you move from gpt-4-turbo to gpt-4o-2024-05-13: input price −50%, output price −50%.

Status
Deprecated
Shutdown
Oct 23, 2026
Time left
8 days
Status
Deprecated
Shutdown
Oct 23, 2026
Time left
8 days

gpt-4o-2024-05-13 is itself deprecated, shutting down Oct 23, 2026. Its replacement is gpt-5.6-sol.

Prices

USD per 1M tokens, standard tier
Typegpt-4-turbogpt-4o-2024-05-13Change
Input$10.00first seen October 1, 2026 · source$5.00first seen October 1, 2026 · source−50%
Output$30.00first seen October 1, 2026 · source$15.00first seen October 1, 2026 · source−50%

At 1M input and 250K output tokens a month: $17.50 on gpt-4-turbo, $8.75 on gpt-4o-2024-05-13 (−50%).

Other tiers, prompt-size bands and modalities are on each model's page.

Limits

Tokens
Limitgpt-4-turbogpt-4o-2024-05-13Change
Context window128,000 tokensin place when tracking began (October 6, 2026) · sourceNot published—
Max output tokens4,096 tokensin place when tracking began (October 6, 2026) · sourceNot published—

Benchmarks

Same benchmark, source and setting on both sides
Benchmarkgpt-4-turbogpt-4o-2024-05-13Change
Arena TextArena. Ranges don't overlap.1325 ±41346 ±3+21
Arena Text: CodingArena. Ranges don't overlap.1347 ±71369 ±6+22
Arena VisionArena. Ranges don't overlap.1112 ±121162 ±9+50
GPQA DiamondEpoch AI.46.6%48.9%+2.3 pts
MATH Level 5Epoch AI.46.7%51.0%+4.3 pts
OTIS Mock AIME 2024-2025Epoch AI.6.7%6.3%−0.4 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 models

No feature is published for both models, so none can be compared.

Not published for gpt-4-turbo: Structured outputs, Prompt caching, PDF input, Reasoning / thinking, Built-in web search, temperature parameter, top_p parameter, logprobs.

Not published for gpt-4o-2024-05-13: 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

gpt-4-turbo: no free tier listed

gpt-4o-2024-05-13: 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

gpt-4o-2024-05-13 adds a free tier.

Aliases pointing at gpt-4-turbo: gpt-4-turbo (in place when tracking began (October 7, 2026) · source)

No aliases point at gpt-4o-2024-05-13.

On cloud platforms

All platform dates
ModelPlatformPlatform IDShutdownTime left
gpt-4o-2024-05-13Microsoft Foundryversion 2024-05-13gpt-4oDec 9, 2026Deprecated55 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

  1. Change the model string from gpt-4-turbo to gpt-4o-2024-05-13.
Time until shutdown
7days
11hours
04min
15sec

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: gpt-4-turbo, gpt-4o-2024-05-13.