Alternatives to gpt-5.3-codex-spark The original model is retired. Ranking uses shared reported capabilities and modalities, then the closest known context window, then model ID. Unknown context differences sort last. Similar metadata does not establish equivalent output quality.
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Original context: 400,000 tokens.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 400000 tokens (+0).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to DeepSeek-V4-Flash-0731.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 512000 tokens (+112000).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to Inkling-Small.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 512000 tokens (+112000).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to minimax-m3.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 262000 tokens (-138000).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to kimi-k2.6.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 256000 tokens (-144000).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to kimi-k2.7-code.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
Matching features: Tool calling, Long context, JSON mode, Streaming, Reasoning, text input, text output.
Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.
Context: 400000 → 976000 tokens (+576000).
Checking current pricing…
Enable JavaScript to view live prices, or check the pricing API . Change the request model ID from gpt-5.3-codex-spark to glm-5.2.
Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions. The published API interfaces are unchanged.
