GPT-3.5 Turbo
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Updated 32 min ago · first seen 11 Sept 2026
model_01M294WWRD2ZM4GZ43F0K36W0W
- Context
- 16.4K tokens
- T2 · 32 min ago
- Released
- 28 May 2023
- T2 · 32 min ago
- Knowledge cutoff
- Sept 2021
- T2 · 32 min ago
Specification
- Release date
- 28 May 2023
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Context window
- 16.4K tokens
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Max output
- 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Knowledge cutoff
- Sept 2021
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Modalities
- text
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Input modalities
- text
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Openrouter id
- openai/gpt-3.5-turbo
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Supported parameters
- frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
13
Source tiers
T213
Freshest observation
32 min ago
Conflicts
None
Modalities
- Modalities
- text
- Input
- text
- Output
- text
Capabilities
Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Unavailable
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 16.4K tokens
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Max output
- 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Knowledge cutoff
- Sept 2021
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| OpenAI APIopenai/gpt-3.5-turbo:batch | $0.25 | $0.75 | — | — | 16.4K | 32 min ago | openrouter.aiT2 |
| OpenAI APIopenai/gpt-3.5-turbo | $0.50 | $1.5 | — | — | 16.4K | 32 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- OpenAI API
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Release daterelease_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 28 May 2023 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 16.4K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Max outputmax_output_tokens1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 4.1K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Knowledge cutoffknowledge_cutoff1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Sept 2021 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Modalitiesmodalities1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Input modalitiesmodalities_input1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Output modalitiesmodalities_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tokenizertokenizer1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| GPT | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021. | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Openrouter idopenrouter_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| openai/gpt-3.5-turbo | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Structured outputstructured_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Supported parameterssupported_parameters1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tool callingtool_calling1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
OpenAI API lists GPT-3.5 Turbo at $0.25 in / $0.75 out per 1M tokens
openrouterOpenAI API lists GPT-3.5 Turbo at $0.5 in / $1.5 out per 1M tokens
openrouter
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 32 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.