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GPT-5

API ID gpt-5

gpt-5 is an OpenAI model, released August 2025. It has a 400,000-token context window and up to 128,000 output tokens. It takes image input and supports function calling, structured outputs and reasoning. Standard price: from $1.25 input and from $10.00 output per 1M tokens.

Status
Active
Released
August 2025
Shutdown
none announced
Replacement
—

No deprecation or shutdown date has been announced as of October 15, 2026.

Benchmarks

Scores as each source published them
or

Comparing with GPT-4.5 Preview, the previous model in this line. A score is compared only with the same benchmark from the same source, at the same setting where both have it. Full comparison: prices, limits, features

Arena

ArenaGPT-5GPT-4.5 PreviewChangeRankDateSource
Text
By category
  • Math 1435 rank 100 vs 1408 (+27, within range) at high effort (vs no setting)
  • Creative writing 1373 rank 152 vs 1436 (−63) at high effort (vs no setting)
  • Instruction following 1410 rank 131 vs 1437 (−27) at high effort (vs no setting)
  • Hard prompts 1448 rank 115 vs 1440 (+8, within range) at high effort (vs no setting)
  • Long prompts 1413 rank 153 vs 1443 (−30) at high effort (vs no setting)
  • Multi-turn 1421 rank 132 vs 1466 (−45) at high effort (vs no setting)
  • Expert 1459 rank 105 vs 1429 (+30, within range) at high effort (vs no setting)
1435 ±51445 ±6−10
within range		106 of 415
31,720 votes		Oct 13, 2026source
Text: Coding1471 ±81458 ±13+13
within range		126 of 410
6,399 votes		Oct 13, 2026source
WebDev1417 ±16not rated83 of 142
3,092 votes		Oct 13, 2026source
Vision1210 ±71225 ±12−15
within range		85 of 165
34,470 votes		Oct 9, 2026source
Search1188 ±7not rated28 of 42
20,865 votes		Oct 13, 2026source

Rated as gpt-5-high (high effort); GPT-4.5 Preview as gpt-4.5-preview-2025-02-27. Some were rated at different settings; ratings on one arena share one scale, so the difference still reads directly. Ratings come from people voting between two anonymous answers; Text, Vision and Search are style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Alias

All aliases

Currently points to gpt-5-2025-08-07 (in place when tracking began (October 7, 2026)).

Features

Compare models
FeatureValueSinceSource
Structured outputsThe model can be held to a JSON schema you supply, so every reply parses without retries or cleanup.Supportedin place when tracking began (October 7, 2026)source
Function callingAlso called tool use. You describe functions; the model replies with a function name and arguments for your code to run, then uses the result.Supportedin place when tracking began (October 7, 2026)source
Prompt cachingA prompt prefix you send again and again (system prompt, documents, tools) is cached, so later requests cost less and start faster.Supportedin place when tracking began (October 7, 2026)source
Batch APISend many requests as one job that runs in the background, usually finished within 24 hours, at a lower price than live requests.Supportedin place when tracking began (October 7, 2026)source
Image inputImages such as screenshots, photos and charts can go in the prompt for the model to read.Supportedin place when tracking began (October 7, 2026)source
Reasoning / thinkingThe model can work through a problem step by step before it answers: usually better answers to hard questions, at the cost of more tokens and time.Supportedin place when tracking began (October 7, 2026)source
Fine-tuningYou can train your own version of the model on your examples through the company's API, then call it like any other model.Not supportedin place when tracking began (October 7, 2026)source
Built-in web searchThe company's API can search the web for the model during a request and cite its sources; you don't need a search service of your own.Supportedin place when tracking began (October 7, 2026)source
Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word.400,000 tokensin place when tracking began (October 7, 2026)source
Max output tokensThe longest reply the model can write in one response, in tokens. A token is about three-quarters of an English word.128,000 tokensin place when tracking began (October 7, 2026)source

Not published by OpenAI: PDF input, temperature parameter, top_p parameter, logprobs.

Price history

USD per 1M tokens, standard tier
$0.00$2.50$5.00$7.50$10.00$12.50Oct 2026In $1.25Out $10.00Oct 1, 2026 to Oct 15, 2026: Input $1.25, Output $10.00
$0.00$2.50$5.00$7.50$10.00$12.50Oct 2026In $1.25Out $10.00Oct 1, 2026 to Oct 15, 2026: Input $1.25, Output $10.00

We started recording this model's prices on Oct 1, 2026. The history grows with each daily check.

Show as a table
FromTypePrice
Oct 1, 2026Input$1.25
Oct 1, 2026Output$10.00

Prices

USD per 1M tokens, every type and band, by tier
TypeBandPrice $/1MIn effect
Standard
inputshort context$1.25
cached inputshort context$0.125
outputshort context$10.00
Batch
inputshort context$0.625
cached inputshort context$0.0625
outputshort context$5.00
Flex
inputshort context$0.625
cached inputshort context$0.0625
outputshort context$5.00
Fast
inputshort context$2.50
cached inputshort context$0.25
outputshort context$20.00

Changelog

Changes we detected on OpenAI's pages

No changes recorded yet.

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Last checked · Sources: OpenAI deprecations, OpenAI pricing, OpenAI models