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GPT-3.5-turbo
openai·openai/gpt-3.5-turbo·Deprecated·Closed·gpt series
Compact GPT model for low-latency assistance and high-volume workloads
At a glance
Official price$0.50 / $1.50 per 1M
Cache read $0 · OpenAI
Lowest paid$0.45 / $1.40
Poe Gateway · 1.1× spread
Context16,385
⚠ Providers report 16,384–16,385; the table below is authoritative
Output limit4,096
Capabilities
ReasoningTool useStructured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDF
Knowledge cutoff2021-09-01
Released / updated2023-03-01 / 2023-11-06
Quality & performanceArtificial Analysis · Intelligence Index v4.1
Intelligence3.2
Value5
Coding10.7
Agentic—
Output speed—
TTFT—
Value formulaIQ 3.2 ÷ min blended $0.688 = 5
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 12 providers12 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Poe | Gateway | $0.45 | $1.40 | — | — | 16,384 ⚠ | 2,048 | |
| OrcaRouter | Gateway | $0.50 | $1.50 | $0 | — | 16,385 | 4,096 | |
| NanoGPT | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| Impossibl | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| OpenRouter | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| OpenAIOfficial | First-party | $0.50 | $1.50 | $0 | — | 16,385 | 4,096 | deprecated |
| Merge Gateway | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| Cloudflare AI Gateway | Cloud | $0.50 | $1.50 | $0 | — | 16,385 | 4,096 | deprecated |
| Vercel AI Gateway | Cloud | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| Eden AI | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 | |
| DevPass (LLM Gateway) | Gateway | $0.50 | $1.50 | $0 | — | 16,385 | 4,096 | |
| Kilo Gateway | Gateway | $0.50 | $1.50 | — | — | 16,385 | 4,096 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1OrcaRouter$115.00
2OpenAI · Official$115.00
3Cloudflare AI Gateway$115.00
4DevPass (LLM Gateway)$115.00
5Poe$160.00
6NanoGPT$175.00
Switch to OrcaRouter to save $0.00/mo (0%). The gap is small, so staying on the official channel is fine.
Note: this is a gateway; verify availability and rate limits yourself.
Benchmark1 items
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| Artificial Analysis Coding Index | — | 10.7 | index | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.
Related models
RouteLLMsame series$3.00 / $15.00GPT-Realtime-2.1same series$4.00 / $24.00NanoGPT Helpsame series$0 / $0Qwen3-Next 80B-A3B Instructcheaper alternative$0.144 / $0.574Qwen3-Coder 30B-A3B Instructcheaper alternative$0.216 / $0.861Llama-3.1-8B-Instructcheaper alternative$0.15 / $0.45Qwen3 Coder Flashcheaper alternative$0.144 / $0.574
Price historyone sample accumulated per data sync
Input listOutput listMin blended