OpenAI: GPT-5.2-Codex
Released Jan 14, 2026Ranked in:WebDev
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GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Best overall rank
#57
Across all subsets · overall
Total arena votes
23,289
Across 4 (subset, category) entries
Providers on OR
2
Azure + others
First seen
2026-05-08
26 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $1.75
- Output (per 1M)
- $14.00
- Cache Read (per 1M)
- $0.175
Per unit
- Web search
- $0.010/call
Capabilities
Modality
text+image->textContext
400K tokens
Tokenizer
GPT
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 | 400K | $1.75 | $14.00 | 99.95% | - | - | ✓ |
| OpenAI | openai | 400K | $1.75 | $14.00 | 75.93% | - | - | ✓ |
Per-category ranks
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #51 | Webdev-react | - | 1327 | 4,625 | |
| #57 | Overall | - | 1335 | 7,766 | |
| #57 | Webdev | - | 1335 | 7,766 | |
| #57 | Webdev-html | - | 1340 | 3,132 |