GPT-4.1 vs GPT-5.4

Benchmark Performance

Available Benchmarks

BenchmarkGPT-4.1GPT-5.4
ARC-AGI-1verified-v1-15fb467fd4fc · verified_score · leader5.506% of row best · percent · GPT-4.193.67100% of row best · percent · GPT-5.4 (XHigh)
ARC-AGI-2verified-v2-9a3db289984e · verified_score · leader0.421% of row best · percent · GPT-4.173.95100% of row best · percent · GPT-5.4 (XHigh)
LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader1,382.7195% of row best · rating · gpt-4.1-2025-04-14; 95% CI [1379.00467679, 1386.41941365]; votes 49913; rank 1531,452.51100% of row best · rating · gpt-5.4; 95% CI [1448.73439083, 1456.28324387]; votes 63615; rank 37
LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader1,210.3294% of row best · rating · gpt-4.1-2025-04-14; 95% CI [1203.63813827, 1217.00696914]; votes 41034; rank 701,293.18100% of row best · rating · gpt-5.4; 95% CI [1286.41064849, 1299.95761489]; votes 21245; rank 20
Overall ResultCounted from the protocol-matched rows above0 benchmark wins4 benchmark winsOverall lead

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

FieldAt a Glance
Openai · activeGPT-4.1Verified Aug 29, 2026
Openai · activeGPT-5.4Verified Sep 3, 2026
Not a Valid ComparisonThese records do not share a sourced modality and workload.

Technical Differences

Side-by-Side Facts

Interactive only
FieldGPT-4.1GPT-5.4
DeveloperOpenaiOpenai
FamilyGpt 4 1Gpt 5 4
ModelGPT-4.1GPT-5.4
VersionGPT-4.1GPT-5.4
Lifecycleactiveactive
ReleasedUnknown2026-03-05
Knowledge cutoff2024-06-012025-08-31
Input modalitiesUnknownUnknown
Output modalitiesUnknownUnknown
Context window1,047,5761,050,000
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessOpenai (Standard), Openrouter (Standard)Openai (Standard), Openrouter (Standard)
Capabilitieschat, generation, toolschat, generation, reasoning, structured_outputs, tools

12 comparable fields · 6 material differences · Interactive comparison only; indexing gate not met

GPT-4.1 Capabilities

chatgenerationtools
Input price$1.00
Output price$4.00
Serving providers2
Canonical IDopenai/gpt-4.1

GPT-5.4 Capabilities

chatgenerationreasoningstructured outputstools
Input price$2.50
Output price$15.00
Serving providers2
Canonical IDopenai/gpt-5.4

Internal Comparison Graph

Related Comparisons

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Primary Evidence

Sources and Freshness

Questions

GPT-4.1 vs GPT-5.4 FAQs

Is GPT-4.1 or GPT-5.4 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both GPT-4.1 and GPT-5.4, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, GPT-4.1 or GPT-5.4?+

GPT-4.1 is $1.00 and GPT-5.4 is $2.50 per million tokens, so GPT-4.1 is cheaper on this metric. GPT-4.1 is $4.00 and GPT-5.4 is $15.00 per million tokens, so GPT-4.1 is cheaper on this metric.

Which has a larger context window, GPT-4.1 or GPT-5.4?+

GPT-5.4 has the larger sourced context window. GPT-4.1 supports 1,047,576 and GPT-5.4 supports 1,050,000.

Which performs better in benchmarks, GPT-4.1 or GPT-5.4?+

GPT-5.4 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.

Can GPT-4.1 or GPT-5.4 be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. GPT-4.1 is not marked open weight; GPT-5.4 is not marked open weight.

Can GPT-4.1 and GPT-5.4 understand images?+

GPT-4.1 is not documented with image input; GPT-5.4 is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, GPT-4.1 or GPT-5.4?+

GPT-5.4 has the larger sourced maximum output: GPT-4.1 supports 32,768 and GPT-5.4 supports 128,000 output tokens.

Do GPT-4.1 and GPT-5.4 support reasoning and tool use?+

GPT-4.1: tool calling. GPT-5.4: reasoning and tool calling. Feature support does not establish relative quality.

Which is available from more inference providers, GPT-4.1 or GPT-5.4?+

GPT-4.1 has 2 sourced provider routes; GPT-5.4 has 2, a tie.

Which offers better value, GPT-4.1 or GPT-5.4?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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