Seed-2.0-Code vs GPT-3.5 Turbo (older v0613)

GPT-3.5 Turbo (older v0613) costs 1.5x less per output token than Seed-2.0-Code ($2.00 vs $3.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.

Replace Seed-2.0-Code Replace GPT-3.5 Turbo (older v0613)

Seed-2.0-CodeByteDance Seed

Coding: No data
Overall: No data
Output $/M: $3.00

GPT-3.5 Turbo (older v0613)OpenAI

Coding: No data
Overall: No data
Output $/M: $2.00

vs $3.00 vs $2.00 per 1M output tokens. GPT-3.5 Turbo (older v0613) is 1.5x cheaper.

Seed-2.0-Code or GPT-3.5 Turbo (older v0613): which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Seed-2.0-Code for a larger context window (262K against 4K tokens).

Model ASeed-2.0-CodeByteDance SeedNot benchmarkedNo coding benchmarkNo cost per solved task Model BGPT-3.5 Turbo (older v0613)OpenAINot benchmarkedNo coding benchmarkNo cost per solved task

No benchmark has tested both yet. Seed-2.0-Code has none yet; GPT-3.5 Turbo (older v0613) on GSM8K, MMLU and WinoGrande. Compare them on price and context instead.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Long documents
Listed context window
Seed-2.0-Code
Seed-2.0-Code takes 262K tokens against 4K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
No call
Seed-2.0-Code $0.0020, GPT-3.5 Turbo (older v0613) $0.0020 per turn.
List prices

At a glance

Coding index: Seed-2.0-Code not benchmarked, GPT-3.5 Turbo (older v0613) not benchmarked.
Widest category: None yet: no category has been tested on both models.
Widest single gap: None yet: no benchmark has tested both models.
Output price: Seed-2.0-Code $3.00 against GPT-3.5 Turbo (older v0613) $2.00 per million output tokens, 1.5x apart.
Context window: Seed-2.0-Code takes 262K tokens, GPT-3.5 Turbo (older v0613) 4K.

Benchmark by benchmark

Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.

MathDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Math benchmarks for Seed-2.0-Code and GPT-3.5 Turbo (older v0613)
Benchmark	Seed-2.0-Code	GPT-3.5 Turbo (older v0613)	Leader
GSM8K	Not measured	46.9%	Only GPT-3.5 Turbo (older v0613) measured
Neither model has a result on the other 13 boards here

KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Knowledge benchmarks for Seed-2.0-Code and GPT-3.5 Turbo (older v0613)
Benchmark	Seed-2.0-Code	GPT-3.5 Turbo (older v0613)	Leader
MMLU	Not measured	68.9%	Only GPT-3.5 Turbo (older v0613) measured
Neither model has a result on the other 19 boards here

GeneralDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

General benchmarks for Seed-2.0-Code and GPT-3.5 Turbo (older v0613)
Benchmark	Seed-2.0-Code	GPT-3.5 Turbo (older v0613)	Leader
WinoGrande	Not measured	81.6%	Only GPT-3.5 Turbo (older v0613) measured
Neither model has a result on the other 47 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Seed-2.0-Code$0.0020Fits in one request

GPT-3.5 Turbo (older v0613)$0.0020Fits in one request

Same cost

Repository review

50K input + 3K output tokens

Seed-2.0-Code$0.034Fits in one request

GPT-3.5 Turbo (older v0613)$0.056Exceeds the context window

Seed-2.0-Code costs less

Agent loop

200K input + 10K output tokens

Seed-2.0-Code$0.130Fits in one request

GPT-3.5 Turbo (older v0613)$0.220Exceeds the context window

Seed-2.0-Code costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Seed-2.0-Code and GPT-3.5 Turbo (older v0613)
Specification	ByteDance Seed Seed-2.0-Code	OpenAI GPT-3.5 Turbo (older v0613)
Maker	ByteDance Seed	OpenAI
Weights	No public weights listed	No public weights listed
Released	August 12, 2026	January 25, 2024
Context window	262K	4K
Input $/Mtok	$0.50	$1.00
Output $/Mtok	$3.00	$2.00
Coding index	Not benchmarked	Not benchmarked
Independent measurements behind it	0	0
Cost per solved task	Not computable	Not computable
Source	OpenRouter listing	OpenRouter listing

Questions

Is Seed-2.0-Code better than GPT-3.5 Turbo (older v0613) for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Seed-2.0-Code for a larger context window (262K against 4K tokens).

Which is cheaper, Seed-2.0-Code or GPT-3.5 Turbo (older v0613)?

Seed-2.0-Code costs $0.50 per million input tokens and $3.00 per million output tokens; GPT-3.5 Turbo (older v0613) costs $1.00 and $2.00. Cost per solved task is known for neither of them.

Which has the bigger context window, Seed-2.0-Code or GPT-3.5 Turbo (older v0613)?

Seed-2.0-Code, with 262K tokens against 4K.

Has any benchmark tested both Seed-2.0-Code and GPT-3.5 Turbo (older v0613)?

No benchmark has tested both yet. Seed-2.0-Code has none yet; GPT-3.5 Turbo (older v0613) on GSM8K, MMLU and WinoGrande. Compare them on price and context instead. Data as of October 22, 2026.