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gpt-5.4

GPT-5.4 is OpenAI's latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for text and image inputs, enabling high-context reasoning, coding, and multimodal analysis within the same workflow. The model delivers improved performance in coding, document understanding, tool use, and instruction following, capable of generating production-quality code, synthesizing information across multiple sources, and executing complex multi-step workflows with fewer iterations and greater token efficiency.

VisionReasoningTool callingCachingWeb searchJSON schema
Try gpt-5.4CompareDocs

Specifications

Context window1.1M tokens
Max output128K tokens
API typechat
AddedJun 16, 2026
Model IDbedrock/gpt-5.4@us-east-2
Data retentionNo
Used for trainingNo
Provider location🇺🇸 US / 🇪🇺 EU
Privacy policyAWS Privacy Notice→

Benchmarks

Released 2026-03-05
Coding Indexcoding
57.2%

Artificial Analysis Coding Index — a composite of coding evaluations including LiveCodeBench, SciCode and Terminal-Bench.

GPQA Diamondreasoning
92.0%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

Intelligence Indexreasoning
51.4%

Artificial Analysis Intelligence Index — a composite of multiple evaluations measuring overall model capability.

Scores are sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and do not capture every aspect of model quality. Always test on your own workload.

Pricing

Input / 1M
$2.75
Output / 1M
$16.50
Cache write
N/A
Cache read / 1M
$0.28
Estimated cost
100K input + 10K output$0.44
1M input + 100K output$4.40
10M input + 1M output$44.00

Requesty charges exactly what the upstream provider charges, no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to bedrock/gpt-5.4@us-east-2.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="bedrock/gpt-5.4@us-east-2",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

Other AWS Bedrock models

gpt-5.4
@us-east-1
1.1M ctx$2.75/1M
Coding 57
gpt-5.5
@us-east-1
1.1M ctx$5.50/1M
Coding 59
gpt-5.4
@us-west-2
1.1M ctx$2.75/1M
Coding 57
gpt-5.5
@us-east-2
1.1M ctx$5.50/1M
Coding 59
claude-fable-5
@eu-west-1
1M ctx$11.00/1M
Coding 62
claude-fable-5
@us-east-1
1M ctx$11.00/1M
Coding 62

Frequently asked questions

How much does gpt-5.4 cost?
gpt-5.4 is priced at $2.75 per million input tokens and $16.50 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges, we don't add markup.
What is the context window of gpt-5.4?
gpt-5.4 has a context window of 1.1M tokens, with a maximum output of 128K tokens per response. That's roughly 1,400 words of input you can fit in a single prompt.
How does gpt-5.4 perform on benchmarks?
gpt-5.4 scores 92.0% on GPQA Diamond, 87.1% on τ²-Bench, 57.6% on Terminal-Bench Hard. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.
What can gpt-5.4 do?
gpt-5.4 supports vision input, tool calling, extended reasoning, prompt caching, web search, structured outputs (JSON schema). You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use gpt-5.4 with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "bedrock/gpt-5.4@us-east-2". The Quickstart above shows Python, JavaScript and cURL snippets.
Can I run gpt-5.4 through Requesty?
Yes. gpt-5.4 runs through Requesty's OpenAI-compatible API, served from AWS Bedrock in us-east-2. You do not host the model yourself: point base_url at Requesty, set the model to "bedrock/gpt-5.4@us-east-2", and requests are routed to the upstream provider with automatic failover. The same key gives you 400+ other models too.
What region is this deployment?
This variant of gpt-5.4 is deployed in us-east-2. Region-specific endpoints matter for data residency, latency to your users, and compliance requirements (GDPR, HIPAA). Other regions for the same model may be listed on the AWS Bedrock provider page.

Access gpt-5.4 through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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