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Models/OpenAI

OpenAI: GPT-5.5 (batch)

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Source-linked Weight access not listed
API data Report
Input modalitiesT
Output modalitiesT
Input price$2.5/1M tokens
Output price$15/1M tokens
Context window1.05M
Max output128K
Overview

Capabilities and specifications

? Reasoning Unknown
? Tool calling Unknown
? Structured output Unknown
? Attachments Unknown
✓ Vision input Yes
? Open weights Unknown
Creator
OpenAI
Model family
Not documented
Knowledge cutoff
Not documented
License
Not documented
Release date
Not documented
Model ID
openai/gpt-5.5:batch
Inference availability

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Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
Agentic Index - Unversioned - indexTop 8 reported models
GPT-5.6 Sol
54.0
Anthropic: Claude Fable 5 (batch)
52.8
Claude Fable 5
52.8
Kimi K3
50.1
GPT-5.6 Terra
47.4
Anthropic: Claude Opus 4.8 (batch)
47.2
Anthropic: Claude Opus 4.8
47.2
OpenAI: GPT-5.5 (batch)
44.9
Coding Index - Unversioned - indexTop 7 reported models
GPT-5.6 Sol
77.4
GPT-5.6 Terra
76.7
Anthropic: Claude Fable 5 (batch)
76.5
Claude Fable 5
76.5
Kimi K3
76.2
OpenAI: GPT-5.5 (batch)
74.9
GPT-5.5
74.9
Design Arena: 3d - Unversioned - eloTop 8 reported models
Kimi K3
1449.0
Gemini 3.6 Flash
1372.0
Anthropic: Claude Fable 5 (batch)
1363.0
Claude Fable 5
1363.0
Z.ai: GLM 5.2
1353.0
Z.ai: GLM 5.1
1336.0
Anthropic: Claude Opus 4.6 (batch)
1335.0
OpenAI: GPT-5.5 (batch)
1250.0
Design Arena: agenticgamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1308.0
Claude Fable 5
1308.0
Anthropic: Claude Opus 4.8 (batch)
1263.0
Anthropic: Claude Opus 4.8
1263.0
Anthropic: Claude Opus 4.7 (batch)
1260.0
Anthropic: Claude Opus 4.7
1260.0
Claude Sonnet 5
1241.0
OpenAI: GPT-5.5 (batch)
1191.0
Design Arena: agentichtmlslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1254.0
Claude Fable 5
1254.0
Kimi K2.6
1248.0
Anthropic: Claude Opus 4.7 (batch)
1243.0
Anthropic: Claude Opus 4.7
1243.0
Anthropic: Claude Opus 4.8 (batch)
1227.0
Anthropic: Claude Opus 4.8
1227.0
OpenAI: GPT-5.5 (batch)
1084.0
Design Arena: agenticslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1334.0
Anthropic: Claude Opus 4.7
1334.0
Anthropic: Claude Opus 4.8 (batch)
1294.0
Anthropic: Claude Opus 4.8
1294.0
Z.ai: GLM 5.1
1245.0
Gemini 3.5 Flash
1244.0
Kimi K2.6
1187.0
OpenAI: GPT-5.5 (batch)
1150.0
Design Arena: agenticslides(html) - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1252.0
Kimi K2.6
1252.0
Claude Fable 5
1252.0
Anthropic: Claude Opus 4.7 (batch)
1242.0
Anthropic: Claude Opus 4.7
1242.0
Anthropic: Claude Opus 4.8 (batch)
1230.0
Anthropic: Claude Opus 4.8
1230.0
OpenAI: GPT-5.5 (batch)
1077.0
Design Arena: agenticslides(python-pptx) - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1331.0
Anthropic: Claude Opus 4.7
1331.0
Anthropic: Claude Opus 4.8 (batch)
1310.0
Anthropic: Claude Opus 4.8
1310.0
Gemini 3.5 Flash
1242.0
Z.ai: GLM 5.1
1240.0
Kimi K2.6
1186.0
OpenAI: GPT-5.5 (batch)
1155.0
Design Arena: androidnative - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.8 (batch)
1338.0
Anthropic: Claude Opus 4.8
1338.0
Anthropic: Claude Fable 5 (batch)
1323.0
Claude Fable 5
1323.0
Kimi K2.6
1294.0
xAI: Grok 4.5
1267.0
Z.ai: GLM 5V Turbo
1267.0
OpenAI: GPT-5.5 (batch)
1240.0
Design Arena: asciiart - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1373.0
Claude Fable 5
1373.0
Anthropic: Claude Opus 4.7 (batch)
1326.0
Anthropic: Claude Opus 4.7
1326.0
Gemini 3.1 Pro Preview
1311.0
Gemini 3.5 Flash
1305.0
Anthropic: Claude Opus 4.8 (batch)
1304.0
OpenAI: GPT-5.5 (batch)
1288.0
Design Arena: codecategories - Unversioned - eloTop 8 reported models
Z.ai: GLM 5.2
1341.0
Anthropic: Claude Fable 5 (batch)
1340.0
Claude Fable 5
1340.0
Gemini 3.6 Flash
1329.0
Anthropic: Claude Opus 4.6 (batch)
1327.0
Anthropic: Claude Opus 4.6
1327.0
xAI: Grok 4.5
1323.0
OpenAI: GPT-5.5 (batch)
1284.0
Design Arena: dataviz - Unversioned - eloTop 8 reported models
Z.ai: GLM 5.1
1366.0
Kimi K3
1355.0
Anthropic: Claude Fable 5 (batch)
1353.0
Claude Fable 5
1353.0
Gemini 3.6 Flash
1335.0
Muse Spark 1.1
1322.0
Anthropic: Claude Opus 4.6 (batch)
1320.0
OpenAI: GPT-5.5 (batch)
1291.0
Design Arena: fullstack - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1503.0
Anthropic: Claude Opus 4.7
1503.0
Anthropic: Claude Fable 5 (batch)
1316.0
Claude Fable 5
1316.0
Anthropic: Claude Opus 4.8 (batch)
1308.0
Anthropic: Claude Opus 4.8
1308.0
xAI: Grok 4.5
1302.0
OpenAI: GPT-5.5 (batch)
1142.0
Design Arena: gamedev - Unversioned - eloTop 7 reported models
Anthropic: Claude Fable 5 (batch)
1396.0
Claude Fable 5
1396.0
Z.ai: GLM 5.2
1350.0
Claude Sonnet 5
1345.0
OpenAI: GPT-5.5 (batch)
1343.0
GPT-5.5
1343.0
Anthropic: Claude Opus 4.6 (batch)
1337.0
Design Arena: godotgamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1305.0
Claude Fable 5
1305.0
xAI: Grok 4.5
1303.0
Anthropic: Claude Opus 4.7 (batch)
1270.0
Anthropic: Claude Opus 4.7
1270.0
Qwen: Qwen3.7 Max
1253.0
Claude Sonnet 5
1243.0
OpenAI: GPT-5.5 (batch)
1190.0
Design Arena: htmlslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1259.0
Claude Fable 5
1259.0
xAI: Grok 4.5
1242.0
Anthropic: Claude Opus 4.7 (batch)
1240.0
Anthropic: Claude Opus 4.7
1240.0
Anthropic: Claude Opus 4.8 (batch)
1235.0
Anthropic: Claude Opus 4.8
1235.0
OpenAI: GPT-5.5 (batch)
1084.0
Design Arena: mobileapps - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.8 (batch)
1281.0
Anthropic: Claude Opus 4.8
1281.0
Anthropic: Claude Opus 4.6 (batch)
1280.0
Anthropic: Claude Opus 4.6
1280.0
Anthropic: Claude Sonnet 4.6
1272.0
Anthropic: Claude Fable 5 (batch)
1266.0
Claude Fable 5
1266.0
OpenAI: GPT-5.5 (batch)
1218.0
Design Arena: pptxslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1333.0
Anthropic: Claude Opus 4.7
1333.0
Anthropic: Claude Opus 4.8 (batch)
1306.0
Anthropic: Claude Opus 4.8
1306.0
Gemini 3.5 Flash
1244.0
Z.ai: GLM 5.1
1241.0
Kimi K2.6
1181.0
OpenAI: GPT-5.5 (batch)
1157.0
Design Arena: python-pptxslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1336.0
Anthropic: Claude Opus 4.7
1336.0
Anthropic: Claude Fable 5 (batch)
1306.0
Claude Fable 5
1306.0
Anthropic: Claude Opus 4.8 (batch)
1298.0
Anthropic: Claude Opus 4.8
1298.0
Kimi K3
1283.0
OpenAI: GPT-5.5 (batch)
1152.0
Design Arena: svg - Unversioned - eloTop 7 reported models
Anthropic: Claude Fable 5 (batch)
1351.0
Claude Fable 5
1351.0
Gemini 3.1 Pro Preview
1334.0
Gemini 3.5 Flash
1295.0
Anthropic: Claude Opus 4.6 (batch)
1275.0
Anthropic: Claude Opus 4.6
1275.0
OpenAI: GPT-5.5 (batch)
1273.0
Design Arena: uicomponent - Unversioned - eloTop 8 reported models
Kimi K3
1447.0
Anthropic: Claude Fable 5 (batch)
1370.0
Claude Fable 5
1370.0
Anthropic: Claude Opus 4.7 (batch)
1343.0
Anthropic: Claude Opus 4.7
1343.0
Anthropic: Claude Opus 4.6 (batch)
1334.0
Anthropic: Claude Opus 4.6
1334.0
OpenAI: GPT-5.5 (batch)
1293.0
Design Arena: webapps - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1317.0
Claude Fable 5
1317.0
Kimi K3
1315.0
Anthropic: Claude Opus 4.7 (batch)
1311.0
Anthropic: Claude Opus 4.7
1311.0
Claude Sonnet 5
1304.0
Anthropic: Claude Opus 4.8 (batch)
1281.0
OpenAI: GPT-5.5 (batch)
1172.0
Design Arena: website - Unversioned - eloTop 8 reported models
Kimi K3
1384.0
Z.ai: GLM 5.2
1338.0
Anthropic: Claude Fable 5 (batch)
1330.0
Claude Fable 5
1330.0
Gemini 3.6 Flash
1329.0
Anthropic: Claude Opus 4.6 (batch)
1322.0
Anthropic: Claude Opus 4.6
1322.0
OpenAI: GPT-5.5 (batch)
1280.0
Intelligence Index - Unversioned - indexTop 8 reported models
Anthropic: Claude Fable 5 (batch)
59.9
Claude Fable 5
59.9
GPT-5.6 Sol
58.9
Kimi K3
57.1
Anthropic: Claude Opus 4.8 (batch)
55.7
Anthropic: Claude Opus 4.8
55.7
GPT-5.6 Terra
55.0
OpenAI: GPT-5.5 (batch)
54.8
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