HASTATAgent stack guide gpt-codex
gpt-5.1-codex-max
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context400K
Output128K
Providers13
CapabilitiesTool calling, Reasoning, Image input
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 OrcaRouteropenai/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 NanoGPTopenai/gpt-5.1-codex-max | $2.50 | $20.00 | $0.25 | 400K | 2025-11-13 |
 Jiekou.AIgpt-5.1-codex-max | $1.13 | $9.00 | Unavailable | 400K | 2026-01 |
 OpenRouteropenai/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Vivgridgpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Ofoxopenai/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 256K | 2025-11-13 |
 OpenCode Zengpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Azuregpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Poeopenai/gpt-5.1-codex-max | $1.10 | $9.00 | $0.11 | 400K | 2025-12-08 |
 Vercel AI Gatewayopenai/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Eden AIazure/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 272K | 2025-11-13 |
 Kilo Gatewayopenai/gpt-5.1-codex-max | $1.25 | $10.00 | $0.13 | 400K | 2025-11-13 |
 Abacusgpt-5.1-codex-max | $1.25 | $10.00 | Unavailable | 400K | 2025-11-13 |
Lowest reported provider price in USD per 1M tokens; unavailable is not free. Provider documentation remains authoritative. Catalogue presence is not an uptime, security, or quality endorsement.
Source metadata and limitations
Capabilities are source-reported. Tool calling does not prove quality in a particular harness. Prices and limits can change.
Modalities: text, image → text