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OpenAI: GPT-5 Chat (latest)

Chat-tuned GPT model for conversational assistance, writing, and tool workflows

Source-linked gpt-codex Closed weights Released 2025-08-07
API record Report
InputT
OutputT
Input price$1.25/M
Output price$10/M
Context400K
Max output128K
Providers5
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

Report a price
Providers offering GPT-5 Chat (latest)
ProviderProvider model IDContextMax outputInputOutputCache readCapabilitiesDocs
OpenAI gpt-5-chat-latest 400K 128K $1.25 $10 $0.125 ReasoningJSON Docs ↗
DevPass (LLM Gateway) gpt-5-chat-latest 400K 128K $1.25 $10 $0.125 ReasoningJSON Docs ↗
Merge Gateway openai/gpt-5-chat-latest 128K 16.384K $1.25 $10 $0.125 JSON Docs ↗
Requesty openai/gpt-5-chat 400K 128K $1.25 $10 ReasoningJSON Docs ↗
OrcaRouter openai/gpt-5-chat-latest 400K 100K $1.25 $10 $0.125 ReasoningJSON Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $1.25/M

Across 5 priced providers

Median input $1.25/M

Midpoint of listed rates

Highest input $1.25/M

Same as the lowest listed rate

Output range $10 – $10

Per million output tokens

OpenAI $1.25/M
DevPass (LLM Gateway) $1.25/M
Merge Gateway $1.25/M
Requesty $1.25/M
OrcaRouter $1.25/M
Cost calculator

Estimate a workload

$0.00
Excludes taxes, non-token charges, and tiered discounts.

5 providers list the identical $1.25 input rate, so price alone will not separate them — compare context limits, max output, and capabilities above.

Context limits also differ by provider, from 128K to 400K tokens. Compare the provider table above before choosing on price alone.

Specification

Capabilities

Recorded from the source catalog and provider listings.

Reasoning Yes
× Tool calling No
Structured output Yes
Attachments Yes
Vision input Yes
× Open weights No
Creator
OpenAI
Model family
gpt-codex
Knowledge cutoff
2024-09-30
License
Not documented
Release date
2025-08-07
Model ID
openai/gpt-5-chat-latest
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

Read the methodology
Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
No changes recorded

This record has not changed within the retained import history.

Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://model.kyssta.lol/api/v1/models/openai/gpt-5-chat-latest
curl
curl "https://model.kyssta.lol/api/v1/models/openai/gpt-5-chat-latest"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is GPT-5 Chat (latest)?

Chat-tuned GPT model for conversational assistance, writing, and tool workflows. It is published by OpenAI and catalogued here from Models.dev.

How much does GPT-5 Chat (latest) cost?

Listed input pricing starts at $1.25 per million tokens from OpenAI.

What is the context length of GPT-5 Chat (latest)?

GPT-5 Chat (latest) accepts up to 400K tokens of context and returns up to 128K output tokens.

Does GPT-5 Chat (latest) support tool calling and structured output?

Provider catalogs list support for structured output, reasoning, and image input.

Which providers serve GPT-5 Chat (latest)?

5 providers list this model: OpenAI, DevPass (LLM Gateway), Merge Gateway, Requesty, OrcaRouter.

Are the weights for GPT-5 Chat (latest) open?

No. This model is served through hosted APIs only.

When was GPT-5 Chat (latest) released?

The catalog records a release date of 2025-08-07, last verified Sep 11, 2026.

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