LLM Reference

Code Davinci 001 vs Qwen3.5-Flash

Code Davinci 001 (2021) and Qwen3.5-Flash (2026) compare a coding-specialized model against a standalone API model. Code Davinci 001 ships a not-yet-sourced context window, while Qwen3.5-Flash ships a 1m-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Code Davinci 001 is coding-specialized model, while Qwen3.5-Flash is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalCode Davinci 001Qwen3.5-Flash
Product typeCoding-specialized modelStandalone API model
Best forcustom coding agents and code generationmultimodal apps, long-context analysis, and provider-routed production
Decision fitCodingLong context, Vision, and Classification
Context window1m
Cheapest output-$0.26/1M tokens
Provider routes0 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Code Davinci 001 when...
  • Local decision data tags Code Davinci 001 for Coding.
Choose Qwen3.5-Flash when...
  • Qwen3.5-Flash has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.5-Flash has broader tracked provider coverage for fallback and route flexibility.
  • Qwen3.5-Flash uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Qwen3.5-Flash for Long context, Vision, and Classification.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Code Davinci 001

Unavailable

No complete token price in local provider data

Qwen3.5-Flash

$121

Cheapest tracked route/tier: OpenRouter

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Code Davinci 001 -> Qwen3.5-Flash
  • No overlapping tracked provider route is sourced for Code Davinci 001 and Qwen3.5-Flash; plan for SDK, billing, or endpoint changes.
  • Qwen3.5-Flash adds Vision and Multimodal in local capability data.
Qwen3.5-Flash -> Code Davinci 001
  • No overlapping tracked provider route is sourced for Qwen3.5-Flash and Code Davinci 001; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.

Specs

Specification
Released2021-07-012026-02-23
Context window1m
Parameters
ArchitectureDecoder Only-
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff--

Pricing and availability

Pricing attributeCode Davinci 001Qwen3.5-Flash
Input price-$0.07/1M tokens
Output price-$0.26/1M tokens
Providers-

Capabilities

CapabilityCode Davinci 001Qwen3.5-Flash
VisionNoYes
MultimodalNoYes
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.