OpenAI: GPT-5.1-Codex-Mini
Released Nov 13, 2025Ranked in:WebDev
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GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Best overall rank
#70
Across all subsets · overall
Total arena votes
4,329
Across 3 (subset, category) entries
Providers on OR
2
Azure + others
First seen
2026-05-08
26 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.250
- Output (per 1M)
- $2.00
- Cache Read (per 1M)
- $0.025
Per unit
- Web search
- $0.010/call
Capabilities
Modality
text+image->textContext
400K tokens
Tokenizer
GPT
Max output
100K 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 | $0.250 | $2.00 | 93.29% | - | - | ✓ |
| OpenAI | openai | 400K | $0.250 | $2.00 | 86.17% | - | - | - |
Per-category ranks
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #70 | Overall | - | 1240 | 1,443 | |
| #70 | Webdev | - | 1240 | 1,443 | |
| #70 | Webdev-html | - | 1247 | 1,443 |