GPT-5.3-Codex-Spark
GPT-5.3-Codex-Spark is a legacy integration reference; evaluate GPT-6.1 Sol before starting new work.
- Family
- GPT-5.4
- Released
- 2026-02-12
- Context
- 128K
- Architecture
- Decoder Only
- Specialization
- code
- Openness
- Proprietary
- License
- ProprietaryRestricted
- Weights
- Not released
- Code
- Unknown
- Training
- Pretrained
No tracked provider pricing is available yet.
This model is deprecated. OpenAI recommends switching to GPT-6.1 Sol.
About
ChatGPT Pro research preview using Cerebras hardware for real-time coding at 1000+ tokens/second. Not available as a standard public OpenAI API model.
Providers
No active provider routes are tracked for this model.
Deprecated provider routes(1)
| Provider | Status | Catalog ID |
|---|---|---|
| OpenAI API | Deprecated | gpt-5.3-codex-spark |
Available via routers & gateways(15)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Compare GPT-5.3-Codex-Spark with other models
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- GPT-5.3-Codex-Spark vs Kimi K2.617
- GPT-5.3-Codex-Spark vs Llama Guard 3 1B16
- GPT-5.3-Codex-Spark vs Qwen2-7B-Instruct15
- GPT-5.3-Codex-Spark vs Qwen3.5-397B-A17B12
- GPT-5.3-Codex-Spark vs Mistral Nemotron10
- GPT-5.3-Codex-Spark vs Phi-4 Mini Flash Reasoning10