OpenAI: GPT-5.5
Released Apr 24, 2026Try it on:
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...
Best overall rank
#9
Across all subsets · overall
Total arena votes
662,084
Across 86 (subset, category) entries
Providers on OR
3
Azure + others
First seen
2026-05-08
61 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $5.00
- Output (per 1M)
- $30.00
- Cache Read (per 1M)
- $0.500
Per unit
- Web search
- $0.010/call
Capabilities
Modality
text+image+file->textContext
1.1M tokens
Tokenizer
GPT
Knowledge cutoff
2025-12-01
Max output
128K tokens
Moderation
Moderated
Supported parameters
include_reasoning
max_completion_tokens
max_tokens
reasoning
response_format
seed
structured_outputs
tool_choice
tools
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Azure | azure/eu | 1.1M | $5.50 | $33.00 | 99.98% | - | - | - |
| Azure | azure | 1.1M | $5.00 | $30.00 | 99.30% | - | - | - |
| OpenAI | openai | 1.1M | $5.00 | $30.00 | 95.51% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #1 | Japanese | high | 1524 | 390 | |
| ★ #5 | Chinese | - | 1538 | 1,844 | |
| #8 | French | - | 1508 | 1,418 | |
| #8 | Korean | high | 1455 | 516 | |
| #8 | Math | - | 1493 | 2,026 | |
| #9 | German | - | 1490 | 588 | |
| #9 | Industry Business And Management And Financial Operations | - | 1485 | 7,518 | |
| #9 | Industry Writing And Literature And Language | high | 1472 | 9,437 | |
| #9 | Non English | high | 1475 | 19,241 | |
| #10 | Exclude Ties | high | 1491 | 28,505 | |
| #10 | Expert | high | 1518 | 3,491 | |
| #10 | Industry Business And Management And Financial Operations | high | 1485 | 7,462 | |
| #10 | Industry Mathematical | high | 1497 | 2,061 | |
| #10 | Japanese | - | 1483 | 343 | |
| #10 | Overall | high | 1481 | 37,260 | |
| #11 | Industry Mathematical | - | 1494 | 2,131 | |
| #11 | Russian | high | 1489 | 3,914 | |
| #12 | Chinese | high | 1523 | 1,831 | |
| #12 | Instruction Following | high | 1477 | 12,272 | |
| #12 | Math | high | 1489 | 1,995 | |
| #13 | English | high | 1484 | 18,008 | |
| #13 | Hard Prompts | high | 1499 | 23,971 | |
| #13 | Industry Life And Physical And Social Science | high | 1497 | 6,160 | |
| #13 | Industry Writing And Literature And Language | - | 1467 | 9,677 | |
| #14 | Multi Turn | high | 1488 | 6,380 | |
| #15 | Expert | - | 1509 | 3,741 | |
| #15 | Hard Prompts English | high | 1500 | 12,187 | |
| #15 | Industry Life And Physical And Social Science | - | 1495 | 6,310 | |
| #15 | Industry Software And It Services | high | 1510 | 14,503 | |
| #16 | Industry Legal And Government | high | 1483 | 2,976 | |
| #16 | Instruction Following | - | 1472 | 12,827 | |
| #16 | Longer Query | high | 1486 | 16,245 | |
| #16 | Non English | - | 1467 | 19,913 | |
| #16 | Overall | - | 1475 | 38,470 | |
| #17 | Industry Entertainment And Sports And Media | high | 1448 | 8,361 | |
| #18 | Russian | - | 1478 | 3,939 | |
| #19 | Coding | high | 1518 | 10,090 | |
| #19 | Industry Legal And Government | - | 1480 | 3,083 | |
| #20 | Exclude Ties | - | 1483 | 29,496 | |
| #21 | Creative Writing | high | 1449 | 6,597 | |
| #21 | Hard Prompts | - | 1494 | 25,185 | |
| #21 | Polish | high | 1475 | 672 | |
| #22 | Hard Prompts English | - | 1493 | 12,692 | |
| #24 | English | - | 1478 | 18,546 | |
| #24 | Multi Turn | - | 1481 | 6,748 | |
| #25 | Creative Writing | - | 1447 | 6,767 | |
| #25 | Industry Entertainment And Sports And Media | - | 1443 | 8,716 | |
| #25 | Longer Query | - | 1479 | 17,131 | |
| #26 | French | high | 1487 | 1,384 | |
| #28 | Industry Software And It Services | - | 1502 | 15,129 | |
| #31 | Polish | - | 1464 | 754 | |
| #31 | Spanish | - | 1460 | 1,187 | |
| #33 | German | high | 1458 | 520 | |
| #35 | Industry Medicine And Healthcare | - | 1480 | 2,925 | |
| #35 | Spanish | high | 1457 | 1,124 | |
| #38 | Coding | - | 1506 | 10,778 | |
| #42 | Industry Medicine And Healthcare | high | 1476 | 2,864 | |
| #47 | Korean | - | 1404 | 547 |
Vision
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #1 | Homework | high | 1338 | 2,146 | |
| ★ #4 | Homework | - | 1329 | 2,233 | |
| ★ #5 | Diagram | - | 1325 | 4,189 | |
| #9 | English | - | 1282 | 6,538 | |
| #9 | Overall | - | 1286 | 15,130 | |
| #10 | Diagram | high | 1312 | 3,871 | |
| #10 | Humor | high | 1281 | 492 | |
| #11 | Humor | - | 1276 | 516 | |
| #11 | Ocr | - | 1297 | 10,968 | |
| #11 | Overall | high | 1282 | 13,942 | |
| #12 | Creative Writing Vision | high | 1293 | 810 | |
| #12 | Ocr | high | 1296 | 10,086 | |
| #14 | Chinese | - | 1320 | 890 | |
| #16 | Creative Writing | high | 1274 | 810 | |
| #17 | English | high | 1274 | 6,112 | |
| #18 | Chinese | high | 1314 | 741 | |
| #19 | Creative Writing | - | 1261 | 887 | |
| #20 | Creative Writing Vision | - | 1276 | 887 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #8 | Image To Webdev | high harness: codex-harness | 1519 | 1,965 | |
| #10 | Image To Webdev | harness: codex-harness | 1489 | 1,935 | |
| #13 | Webdev-html | high harness: codex-harness | 1517 | 1,004 | |
| #18 | Webdev-html | harness: codex-harness | 1495 | 1,015 | |
| #19 | Overall | high harness: codex-harness | 1483 | 7,770 | |
| #19 | Webdev | high harness: codex-harness | 1483 | 7,770 | |
| #20 | Webdev-react | high harness: codex-harness | 1473 | 6,754 | |
| #27 | Overall | harness: codex-harness | 1448 | 7,600 | |
| #27 | Webdev | harness: codex-harness | 1448 | 7,600 | |
| #29 | Webdev-react | harness: codex-harness | 1435 | 6,577 |