GPT-5.3 Codex

Name: GPT-5.3 Codex
Brand: venice.ai
Price: 1.7500 USD
Availability: InStock

GPT-5.3 Codex is OpenAI specialized coding model built on GPT-5.3, optimized for advanced software development, code generation, and technical problem-solving.

openai-gpt-53-codex · venice.ai

Text · Venice catalog$1.75 per 1M tokensPrice on Venice AI

ModalityTextOn Venice AI

Primary price$1.75 per 1M tokensper 1M tokens

Context window400KMax tokens

Benchmarks6Benchmark results

Benchmark results

See the tests behind each score. They use the benchmark’s original scoring scale.

Safety#1211.46 rating Tool Calling#1727.46 rating

Math1 result

LiveBenchlivebench · math

72.8%

ReportedOct 2026

Multimodal1 result

OSWorld-Verifiedosworld-verified · multimodal

64.7%

ReportedOct 2026

Reasoning3 results

SWE-Bench Proswe-bench-pro · reasoning

56.8%

ReportedOct 2026

SWE-Lancer (IC-Diamond subset)swe-lancer-(ic-diamond-subset) · reasoning

81.4%

ReportedOct 2026

Terminal-Bench 2.0terminal-bench-2 · reasoning

77.3%

ReportedOct 2026

Safety1 result

Cybersecurity CTFscybersecurity-ctfs · safety

77.6%

ReportedOct 2026

Learn what each benchmark measures ↗

Pricing detail

Input price per 1M tokens: $1.75
Output price per 1M tokens: $14.00
Cache read price per 1M tokens: $0.17
Blended price per 1M tokens (50/50): $7.88

Prices are published by Venice AI. Venice model page ↗

Capabilities

ReasoningFunction callingVisionWeb search

Endpoint metadata

Privacy: anonymized
Quantization: not-available
Maximum completion tokens: 128K
Uncensored: No
Beta: No
Mapping confidence: 100.0%

View model source ↗

All capabilities

Max Images: 10
Quantization: not-available
Supports E2 E E: No
Supports Vision: Yes
Supports X Search: No
Optimized For Code: Yes
Supports Log Probs: No
Supports Reasoning: Yes
Supports Web Search: Yes
Supports Audio Input: No
Supports Video Input: No
Default Reasoning Effort: high
Reasoning Effort Options: none, low, medium, high, xhigh
Supports Multiple Images: Yes
Supports Response Schema: Yes
Supports Tee Attestation: No
Supports Function Calling: Yes
Supports Reasoning Effort: Yes

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