GPT-5.3 Codex (xhigh) API Pricing
OpenAI · released 2026-02-05
Pricing
0.175¢ / 1K
1.40¢ / 1K
0.481¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.507¢ |
| RAG query | 4,000 in / 500 out | $0.0140 |
| Long document summary | 50,000 in / 1,000 out | $0.1015 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0805 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $152.25 |
Cost = (input tokens ÷ 1,000,000 × $1.75) + (output tokens ÷ 1,000,000 × $14.00).
Benchmarks
#41 of 533
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Agnes 3.0 Flash | 35.5 | $0.075 |
| Agnes 2.5 Pro Beta | 35.2 | $0.15 |
| DeepSeek V4 Pro 0424 (Reasoning, Max Effort) | 30.4 | $0.544 |
| DeepSeek V4 Flash Vision (Reasoning, Max Effort) | 34.8 | $0.66 |
| DeepSeek V4 Flash 0731 (Reasoning, Max Effort) | 34.3 | $0.66 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Qwen3.8 27B (xhigh) | 33.7 | $1.125 |
| Gemini 3.5 Flash (medium) | 33.6 | $3.375 |
| Motif 3 | 33.6 | — |
| GPT-5.3 Codex (xhigh) | 32.5 | $4.813 |
| Motif 3 (Beta) | 32.3 | — |
| Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | 31.9 | $10.00 |
| Muse Spark | 31.3 | — |
More from OpenAI
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-6 Astra (max) | 52.7 | $20.00 |
| GPT-5.6 Sol (max) | 47.0 | $8.00 |
| GPT-5.6 Terra (max) | 42.1 | $4.50 |
| GPT-5.4 (xhigh) | 39.0 | $5.625 |
| GPT-5.5 (xhigh) | 38.4 | $11.25 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| GPT-5.2 (xhigh) | 30.4 | $4.813 |
| GPT-5.2 Codex (xhigh) | 28.5 | $4.813 |
Count tokens & estimate cost for GPT-5.3 Codex (xhigh) See GPT-5.3 Codex (xhigh) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops GPT-5.3 Codex (xhigh)?
GPT-5.3 Codex (xhigh) is developed by OpenAI, released 2026-02-05.
How much does GPT-5.3 Codex (xhigh) cost per million tokens?
GPT-5.3 Codex (xhigh) costs $1.75 per 1M input tokens and $14.00 per 1M output tokens ($4.813 blended), per Artificial Analysis's official pricing data.
How does GPT-5.3 Codex (xhigh) rank on benchmarks?
GPT-5.3 Codex (xhigh) scores 32.5 on the Artificial Analysis Intelligence Index, ranking #41 of 533 models we track.
Is there a cheaper model with similar intelligence to GPT-5.3 Codex (xhigh)?
Yes — Agnes 3.0 Flash scores similar intelligence (35.5) at $0.075/1M blended, versus $4.813/1M for GPT-5.3 Codex (xhigh).
Where does this data come from?
Pricing and benchmark data for GPT-5.3 Codex (xhigh) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.