Model
GPT-5.3 Chat (latest)
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
5 providers · 5 listingsreleased knowledge cutoff 2025-08-31closed weights
$1.75
lowest input /M · Opper
$14
lowest output /M · Opper
400K
context window
128K
max output
Compare providers (sorted by listed input price)
5 providers list GPT-5.3 Chat (latest). The cheapest full-context option is Abacus at $1.75/$14 per M. Opper lists lower but caps context at 128K.
Best price history
Daily lowest published price across live providers. A lower line is better for the buyer.
- Best input /M
- $1.75▲ 11.1%
- Best output /M
- $14▲ 11.1%
- Provider coverage
- 5
- 7 at the start · 24 snapshots
Best input priceBest output priceAug 21, 2026 → Sep 14, 2026
Price badge
https://www.vaanalytics.in/badge/openai/gpt-5.3-chat-latest.svgLive SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.
Recent changes
Changelog →- new modelvia 302ai · Sep 9, 2026
- deprecatedvia openai · Sep 2, 2026
- status: — → deprecated
- removedvia orcarouter · Aug 28, 2026
- removedvia cloudflare-ai-gateway · Aug 25, 2026
- new providervia opper · Aug 23, 2026
Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.