← Model list
GPT-5 Chat (latest)
openai·openai/gpt-5-chat-latest·GA·Closed·gpt-codex series
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
At a glance
Reference price$1.25 / $10.00 per 1M
Cache read $0.125 · Merge Gateway
Lowest paid$1.13 / $9.00
Jiekou.AI Gateway · 1.1× spread
Context128,000
⚠ Providers report 128,000–400,000; the table below is authoritative
Output limit16,384
Capabilities
✓ ReasoningTool use✓ Structured output✓ Temperature✓ Attachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDF
Knowledge cutoff2024-09-30
Released / updated2025-08-07 / 2025-08-07
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 3 providers3 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Jiekou.AI | Gateway | $1.13 | $9.00 | — | — | 400,000 ⚠ | 128,000 | |
| OrcaRouter | Gateway | $1.25 | $10.00 | $0.125 | — | 400,000 ⚠ | 128,000 | |
| Merge Gateway | Gateway | $1.25 | $10.00 | $0.125 | — | 128,000 | 16,384 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1OrcaRouter$615.00
2Merge Gateway$615.00
3Jiekou.AI$675.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Upstream provides no control info
1 / 3 providers expose no reasoning control (reasoning_options: []).
Related models
GPT-5.3 Codexsame series$1.75 / $14.00GPT-5.3 Codex (OpenAI)same series$1.75 / $14.00GPT-5.3 Codex (Azure)same series$1.75 / $14.00GPT OSS 120Bcheaper alternative$1.00 / $4.20Kimi K2.6cheaper alternative$0.95 / $4.00DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended