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GPT-5.4 vs GPT-5.4 nano

Updated October 29, 2026. Rank says GPT-5.4 is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty. This is a same-family comparison, so migration details appear when the source data supports them.

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Decision reading

GPT-5.4 has the higher public score, 66.4 versus 46.15, and the 90% score intervals do not overlap. 17 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
OpenAI logo

OpenAI

66.4/100

Supported · Public rank #25

90% interval 61.4–71.4

Model B
OpenAI logo

OpenAI

46.15/100

Supported · Public rank #115

90% interval 34.8–57.5

Shared results
17
GPT-5.4 only
26
GPT-5.4 nano only
6
Like-for-like categories
3 / 8
Supported: GPT-5.4 and GPT-5.4 nanoHow the comparison works

Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Coding work

    Code generation, repair, and software-engineering tasks

    GPT-5.4

    GPT-5.4 has the higher public coding point estimate, 47.8 to 30.1, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

    Confidence: limited
  • Agentic work

    Tool use, computer use, and multi-step task completion

    GPT-5.4

    GPT-5.4 has the higher public agentic point estimate, 54.4 to 33.7, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

    Confidence: limited
  • Long documents

    Prompts that approach the documented context limit

    GPT-5.4

    GPT-5.4 has the larger documented context window.

    Confidence: documented
Show secondary and unsupported calls
  • Chat turn cost

    1K fresh input + 500 output tokens

    GPT-5.4 nano

    GPT-5.4 nano has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates
  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    GPT-5.4 nano

    GPT-5.4 nano has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates
  • Repository review cost

    50K fresh input + 3K output tokens

    GPT-5.4 nano

    GPT-5.4 nano has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

Which one for a specific job

Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.

The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.

47.8GPT-5.430.1GPT-5.4 nano

Like-for-like · BenchAlign v5.8

GPT-5.4 has the higher coding point estimate. Conditional score ranges do not establish rank confidence.

Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.

Same basis rules as the category table below

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

2 categories rest on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

Bars run 0–100 on each benchmark’s normalized display scale

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Agentic

Like-for-like
GPT-5.4
54.4
Supported · #44/135
GPT-5.4 nano
33.7
Supported · #97/135
Basis
BenchAlign v5.8 lane · 15 vs 6 public rows
Reading
GPT-5.4 leads

Coding

Like-for-like
GPT-5.4
47.8
Supported · #50/156
GPT-5.4 nano
30.1
Supported · #100/156
Basis
BenchAlign v5.8 lane · 6 vs 4 public rows
Reading
GPT-5.4 leads · intervals overlap

Knowledge

Like-for-like
GPT-5.4
68.1
Supported · #22/179
GPT-5.4 nano
39.4
Supported · #117/179
Basis
BenchAlign v5.8 lane · 7 vs 5 public rows
Reading
GPT-5.4 leads

Multimodal

Directional only
GPT-5.4
71.3
#35/58
GPT-5.4 nano
52.6
#51/58
Basis
Provisional lane · 3 vs 1 weighted rows
Reading
Directional only

Instruction following

Directional only
GPT-5.4
90.7
#25/157
GPT-5.4 nano
93.3
#12/157
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Directional only

Reasoning

Not comparable
GPT-5.4
64.2
#19/26
GPT-5.4 nano
40.6
Unranked · 4 rankable rows
Basis
Provisional lane · 2 vs 1 weighted rows
Reading
Not comparable

Multilingual

Not comparable
GPT-5.4
Not ranked
GPT-5.4 nano
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
GPT-5.4
82.0
Unranked · 2 rankable rows
GPT-5.4 nano
52.3
Unranked · 2 rankable rows
Basis
Provisional lane · 2 vs 2 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Supported evidence per lane · bars run 0–100Methodology

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

GPT-5.4
$0.01
Fits in one request
GPT-5.4 nano
$0.00082
Fits in one request

GPT-5.4 nano has the lower modeled cost

Costs use the listed standard API rates.

Repository review

50K fresh input + 3K output tokens

GPT-5.4
$0.17
Fits in one request
GPT-5.4 nano
$0.01375
Fits in one request

GPT-5.4 nano has the lower modeled cost

Costs use the listed standard API rates.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

GPT-5.4
$0.25
Fits in one request
GPT-5.4 nano
$0.0205
Fits in one request

GPT-5.4 nano has the lower modeled cost

Costs use the listed standard API rates.

Cached input falls back to the list input rate only where a cached rate is unpublished

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Cached-input rate

A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.

GPT-5.4

$0.25 per 1M cached input tokens

OpenAI pricing

GPT-5.4 nano

$0.02 per 1M cached input tokens

OpenAI pricing

Provider availability

GPT-5.4

Not sourced

GPT-5.4 nano

Generally Available · OpenAI Responses API

OpenAI model catalog

Reasoning profile

GPT-5.4

Reasoning

GPT-5.4 nano

Reasoning

Weight access

GPT-5.4

Proprietary

GPT-5.4 nano

Proprietary

License

GPT-5.4

Proprietary

GPT-5.4 nano

Proprietary

Release date

GPT-5.4

2026-03-05

GPT-5.4 nano

2026-03-17

If you are choosing between sibling variants

Deployment change
Both entries list OpenAI as the provider. Confirm endpoint, model ID, limits, and feature support before switching.
Quality signal
GPT-5.4 has the higher public score, 66.4 versus 46.15, and the 90% score intervals do not overlap.
Workload cost
Repository review: $0.17 vs $0.01375. Cache-heavy agent loop: $0.25 vs $0.0205.
Context tradeoff
GPT-5.4 has the larger documented window (1.05M).
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, GPT-5.4 or GPT-5.4 nano?

GPT-5.4 has the higher public score, 66.4 versus 46.15, and the 90% score intervals do not overlap. That is the clearest overall quality signal in the current public data.

Which is better for coding, GPT-5.4 or GPT-5.4 nano?

GPT-5.4 has the higher public coding point estimate, 47.8 to 30.1, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

Which is better for agentic tasks, GPT-5.4 or GPT-5.4 nano?

GPT-5.4 has the higher public agentic tasks point estimate, 54.4 to 33.7, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

Which costs less, GPT-5.4 or GPT-5.4 nano?

For the stated presets, chat costs $0.01 on GPT-5.4 and $0.00082 on GPT-5.4 nano; repository review costs $0.17 and $0.01375; the cache-heavy agent loop costs $0.25 and $0.0205. Costs use the listed standard API rates.

Which has the larger context window, GPT-5.4 or GPT-5.4 nano?

GPT-5.4 has the larger documented context window: 1.05M, compared with 400K.

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence49 rows

Agentic

  • Terminal-Bench 2.0

    GPT-5.475.1%
    Source
    GPT-5.4 nano46.3%
    Source

    GPT-5.4 leads this result

  • CyberGym

    GPT-5.479.0%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • BrowseComp

    GPT-5.482.7%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • OSWorld-Verified

    GPT-5.475%
    Source
    GPT-5.4 nano39%
    Source

    GPT-5.4 leads this result

  • MCP Atlas

    GPT-5.470.6%
    Source
    GPT-5.4 nano56.1%
    Source

    GPT-5.4 leads this result

  • Toolathlon

    GPT-5.454.6%
    Source
    GPT-5.4 nano35.5%
    Source

    GPT-5.4 leads this result

  • τ²-bench results

    Shared source
    GPT-5.498.9%
    GPT-5.4 nano92.5%

    GPT-5.4 leads this result

  • Claw-Eval

    GPT-5.460.3%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • DeepSearchQA

    GPT-5.473.6%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • Gert Labs

    GPT-5.464.89%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ResearchClawBench

    GPT-5.415.3%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • JobBench

    GPT-5.438.9%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ExploitGym

    GPT-5.46.0%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ApprenticeBench

    GPT-5.411%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • MazeBench

    GPT-5.40%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    GPT-5.4—
    GPT-5.4 nano41.6%
    Source

    Not directly comparable

Coding

  • LiveCodeBench Pro

    GPT-5.487.5%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • SWE-bench Pro

    GPT-5.457.7%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • React Native Evals

    GPT-5.485.3%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • Terminal-Bench 2.0

    GPT-5.475.1%
    Source
    GPT-5.4 nano46.3%
    Source

    GPT-5.4 leads this result

  • Vibe Code Bench

    Shared source
    GPT-5.467.42%
    GPT-5.4 nano26.10%

    GPT-5.4 leads this result

  • PostTrainBench v1.1

    GPT-5.419.0%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • LiveCodeBench (Vals)

    GPT-5.4—
    GPT-5.4 nano84.0%
    Source

    Not directly comparable

  • SWE-bench (Vals)

    GPT-5.4—
    GPT-5.4 nano69.8%
    Source

    Not directly comparable

Reasoning

  • GPT-5.474.0%
    GPT-5.4 nano5.7%

    GPT-5.4 leads this result

  • ARC-AGI-3

    GPT-5.40.2%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • GPT-5.493.67%
    GPT-5.4 nano51.50%

    GPT-5.4 leads this result

Multimodal

  • ParseBench

    Shared source
    GPT-5.462.23%
    GPT-5.4 nano43.35%

    GPT-5.4 leads this result

  • MMMU-Pro

    GPT-5.481.2%
    Source
    GPT-5.4 nano66.1%
    Source

    GPT-5.4 leads this result

  • OfficeQA Pro

    GPT-5.453.2%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • MMMU-Pro w/ Python

    GPT-5.482.1%
    Source
    GPT-5.4 nano69.5%
    Source

    GPT-5.4 leads this result

  • CharXiv

    GPT-5.482.8%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ERQA

    GPT-5.465.4%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • SimpleVQA

    GPT-5.461.1%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ScreenSpot Pro

    GPT-5.485.4%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ZeroBench

    GPT-5.441.0%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • MedXpertQA (MM)

    GPT-5.477.1%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • ExtractBench (LlamaIndex)

    GPT-5.4—
    GPT-5.4 nano74.90%
    Source

    Not directly comparable

Knowledge

  • GPQA

    GPT-5.492.8%
    Source
    GPT-5.4 nano82.8%
    Source

    GPT-5.4 leads this result

  • HLE

    GPT-5.452.1%
    Source
    GPT-5.4 nano37.7%
    Source

    GPT-5.4 leads this result

  • HLE w/o tools

    GPT-5.439.8%
    Source
    GPT-5.4 nano24.3%
    Source

    GPT-5.4 leads this result

  • GPQA-D

    GPT-5.492.8%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • HealthBench Hard

    GPT-5.440.1%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • MedXpertQA (Text)

    GPT-5.459.6%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • HealthBench Professional

    GPT-5.448.1%
    Source
    GPT-5.4 nano—

    Not directly comparable

  • GPQA Diamond (Vals)

    GPT-5.4—
    GPT-5.4 nano77.5%
    Source

    Not directly comparable

  • MMLU-Pro (Vals)

    GPT-5.4—
    GPT-5.4 nano77.2%
    Source

    Not directly comparable

Math

  • FrontierMath v2 (Tiers 1-3)

    Shared source
    GPT-5.478.596%
    GPT-5.4 nano44.912%

    GPT-5.4 leads this result

  • FrontierMath v2 (Tier 4)

    Shared source
    GPT-5.449.000%
    GPT-5.4 nano12.195%

    GPT-5.4 leads this result

49 public results · 17 shared

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Last updated October 29, 2026