GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Tested on 30 benchmarks · BenchGecko score 55.0. Top scores: Chatbot Arena Elo — Overall (1438.5%), Chatbot Arena Elo — Coding (1341.0%), HELM — IFEval (93.5%).
Qwen3 235B A22B Thinking 2507 scores 55.3 (101% as good) at $0.23/1M input · 82% cheaper
Real-world software engineering tasks from GitHub issues. Models must diagnose bugs and write patches that pass test suites. Human-verified subset of SWE-bench.
SWE-bench Verified solved using only bash commands, no specialized frameworks. Tests raw terminal-based problem solving.
Unusual and adversarial machine learning challenges. Tests robustness of reasoning about edge cases in ML systems.
Stanford HELM WildBench evaluation. Tests reasoning on challenging real-world tasks.
Abstraction and Reasoning Corpus. Tests fluid intelligence through novel visual pattern recognition puzzles. Core measure of general intelligence.
Deceptively simple questions that humans find easy but AI models often get wrong. Tests common sense and reasoning gaps.
Mock AIME (American Invitational Mathematics Exam) problems from OTIS. Tests mathematical competition performance.
Stanford HELM evaluation of mathematical reasoning across diverse problem types.
Original research-level math problems created by professional mathematicians. Problems are unpublished and cannot be memorized.
- Typemultimodal
- Context400K tokens (~200 books)
- ReleasedNov 2025
- LicenseProprietary
- StatusActive
- Cost / Message~$0.013
Frequently Asked Questions
Related Models
MiniMax M3 · minimaxDeepSeek V3 · DeepSeeko3 · OpenAIQwen3 235B A22B · Alibaba QwenQwen3 235B A22B Thinking 2507 · Alibaba QwenKey facts · as of 2026-10-05
- GPT-5.1 by OpenAI. BenchGecko score 55.0, rank 119 of 312 scored models (normalized average of public benchmark scores).
- List price $1.25 input · $10.00 output per 1M tokens (as of 2026-10-05).
- Sold by 5 providers (as of 2026-10-05): OpenAI $0.63 in / $5.00 out · Azure $1.25 in / $10.00 out · OpenAI $1.25 in / $10.00 out · Azure $1.38 in / $11.00 out · OpenAI $2.50 in / $20.00 out. Every provider
How to cite · data as of 2026-10-05
GPT-5.1 · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/gpt-5-1
Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP