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 27 min ago · first seen 11 Sept 2026
model_01M294WWRD2ZM4GZ43F0K36W0W
- Context
- 4.1K tokens
- T2 · 27 min ago
- Released
- 28 May 2023
- T2 · 2 h ago
- Knowledge cutoff
- Sept 2021
- T2 · 2 h ago
Specification
- Release date
- 28 May 2023
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Status
- deprecated
Source:Artificial AnalysisT2observed 27 min agomedium
- Openness
- proprietary
Source:Artificial AnalysisT2observed 27 min agomedium
- Context window
- 4.1K tokens
Source:Artificial AnalysisT2observed 27 min agomedium
- Max output
- 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Knowledge cutoff
- Sept 2021
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Modalities
- text
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Input modalities
- text
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Openrouter id
- openai/gpt-3.5-turbo
Source:OpenRouter public model & pricing listingT2observed 2 h 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 2 h 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
16
Source tiers
T216
Freshest observation
27 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
No
Artificial Analysis · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 4.1K tokens
Source:Artificial AnalysisT2observed 27 min agomedium
- Max output
- 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Knowledge cutoff
- Sept 2021
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 2 h agomedium
| Benchmark | Score | Metric | Config | Evaluated | Source |
|---|---|---|---|---|---|
| Artificial Analysis Intelligence Index | 5.49 | index | aa_slug=gpt-35-turbo · version=4.3 · estimated=true | — | artificialanalysis.aiT2 |
| GPQA | 29.7% | accuracy | aa_slug=gpt-35-turbo · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.
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 · Output modalities
Output modalitiesmodalities_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → 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 →
GPT-3.5 Turbo scores 5.49 on Artificial Analysis Intelligence Index
artificial_analysisGPT-3.5 Turbo: context length changed from 16385 to 4096
Context window16.4K tokens→4.1K tokensartificial_analysisOpenAI 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 |
|---|---|---|---|---|---|
| Artificial Analysis | artificialanalysis.ai/leaderboards/models | leaderboard | T2· Quality secondary | 27 min ago | 1 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 32 min ago | 2 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.