Model evidence profile

GPT-5.5

Name: GPT-5.5 benchmark evidence
Creator: OpenAI
Published: 2026-08-30T02:15:58.000Z

OpenAI · Proprietary · Reasoning

currentestimated

Overall public score: 72.92
Source rank: #14
Evidence coverage: 7 benchmarks · 2 sources

Strongest published evidencePublic overall score 72.92 at source rank #14.

Validate before choosingValidate the selected route price, context limits, and evidence freshness before choosing.

Revision benchmark_3b14dc55ef5307cfe91356d3ea348101 · Published Aug 30, 2026 · Checked Aug 30, 2026 · stale

Relative field position

Capability radar

Percentiles use eligible source ranks. Missing axes remain unavailable and never become zero.

Agentic percentile: 90.6 percentileRank #14 of 140
Coding percentile: 95.8 percentileRank #7 of 145
Knowledge percentile: 70.4 percentileRank #17 of 55
Math percentile: Math: Unavailable
Multimodal grounded percentile: 58.8 percentileRank #15 of 35
Overall percentile: Overall: Unavailable
Reasoning percentile: Reasoning: Unavailable

Published measurements

Category scores

Scores retain their source units; percentile and rank appear only for eligible fields.

Agenticestimated

64.7

Rank: #14 of 140
Percentile: 90.6%
Benchmarks: 7

Codingestimated

72.5

Rank: #7 of 145
Percentile: 95.8%
Benchmarks: 7

Knowledgeestimated

77.7

Rank: #17 of 55
Percentile: 70.4%
Benchmarks: 7

Mathestimated

71.1

Rank: Not ranked
Percentile: Unavailable
Benchmarks: 7

Multimodal groundedestimated

65.3

Rank: #15 of 35
Percentile: 58.8%
Benchmarks: 7

Overallestimated

72.9

Rank: #14
Percentile: Unavailable
Benchmarks: 7

Reasoningestimated

79.0

Rank: Not ranked
Percentile: Unavailable
Benchmarks: 7

Route-specific facts

Pricing and specifications

Conflicting routes remain separate and attributable.

openaibenchlm:gpt-5-5

primary

Input / 1M: $5.00
Cached input / 1M: $0.50
Output / 1M: $30.00
Context: 1,000,000

View price source

Context window: 1,000,000
Maximum output: Unavailable
Input modalities: Unavailable
Output modalities: Unavailable
Release date: 2026-04-23
Self hosting: Not verified

Auditable evidence

Benchmark ledger

Display values, source ranks, and provenance remain visible without implying unsupported aggregate weight.

agentic

Score	Rank	Weight	Last Updated	Source
64.71	#14	Not published	Aug 29, 2026	BenchLM

coding

Score	Rank	Weight	Last Updated	Source
72.50	#7	Not published	Aug 29, 2026	BenchLM

knowledge

Score	Rank	Weight	Last Updated	Source
77.70	#17	Not published	Aug 29, 2026	BenchLM

math

Score	Rank	Weight	Last Updated	Source
71.10	Not ranked	Not published	Aug 29, 2026	BenchLM

multimodalGrounded

Score	Rank	Weight	Last Updated	Source
65.30	#15	Not published	Aug 29, 2026	BenchLM

reasoning

Score	Rank	Weight	Last Updated	Source
79.00	Not ranked	Not published	Aug 29, 2026	BenchLM

overall

Score	Rank	Weight	Last Updated	Source
72.92	#14	Not published	Aug 29, 2026	BenchLM