BlogLLM Benchmark Scores as Published, Side by Side

GPT-5.3-Codex: Benchmark Scores as Published

Every result the catalog holds for GPT-5.3-Codex: 12 tests in 7 areas, from 5 pages. All were printed by OpenAI itself. Each number is as printed; nothing is ranked or rescored.

Developer OpenAIReleased 2026-02-05Context window 400KMax output 128KInput Text, imageOutput TextWeights ClosedData version 2026103001, as of 2026-10-30

Knowledge Work

TestValuePrinted bySetup as printed
Vals Finance Agent v1.154%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh
OfficeQA65.1%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh
GDPval (wins or ties)70.9%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15; printed on 1 more pageEffort: xhigh
Investment Banking Modeling Tasks (Internal)79.3%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh

Agentic Coding

TestValuePrinted bySetup as printed
SWE-Bench Pro56.8%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15; printed on 2 more pagesEffort: xhigh
Terminal-Bench 2.077.3%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15; printed on 2 more pagesEffort: xhigh
SWE-Lancer IC Diamond81.4%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15Effort: xhigh

Science and Math

TestValuePrinted bySetup as printed
GPQA Diamond92.6%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh

Computer Use

TestValuePrinted bySetup as printed
OSWorld-Verified64.7%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15; printed on 1 more pageEffort: xhigh

Cybersecurity

TestValuePrinted bySetup as printed
Capture the Flag challenges77.6%OpenAI, Introducing GPT-5.3-Codexchecked 2026-10-15Effort: xhigh

Tool Use and Workflows

TestValuePrinted bySetup as printed
Toolathlon51.9%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh

Web Search and Research

TestValuePrinted bySetup as printed
BrowseComp77.3%OpenAI, Introducing GPT-5.4checked 2026-10-15Effort: xhigh

Price

API list prices in US dollars per one million tokens, as printed on the developer's pricing page on the day checked. Cost per task is measured by Vals AI.

PriceValuePrinted bySetup as printed
Input$1.75OpenAI, OpenAI API pricingchecked 2026-10-15-
Cached input$0.175OpenAI, OpenAI API pricingchecked 2026-10-15-
Output$14OpenAI, OpenAI API pricingchecked 2026-10-15-
Input, fast$3.5OpenAI, OpenAI API pricingchecked 2026-10-15-
Cached input, fast$0.35OpenAI, OpenAI API pricingchecked 2026-10-15-
Output, fast$28OpenAI, OpenAI API pricingchecked 2026-10-15-
Cost per taskVals AI, USD, lower is better$11.91Vals AI, Vibe Code Bench v1.1 leaderboardchecked 2026-10-27Harness: OpenHands

More from OpenAI

Every number here is read from the same catalog file as the benchmark table, data version 2026103001. Where one page printed the model under several setups, each value is listed. The catalog is public in armanobosyan/sugra-llm-benchmarks; a wrong number can be reported from the table, with Report an error under the value, or as an issue in that repository.