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Amazon Titan Text Express vs gpt-oss-20b
This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.
Context window · side by side
Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.
gpt-oss-20b has about 3.1× the context window of the other in this pair.
gpt-oss-20b has 212% more context capacity (131K vs 42K tokens). gpt-oss-20b is 98% cheaper on input.
Quick verdicts
Short takeaways — validate with your own workloads.
Long document processing
Use gpt-oss-20b. Its 131K context fits entire documents without chunking (vs 42K).
RAG / high-volume retrieval
Use gpt-oss-20b. Input tokens are 98% cheaper — critical when sending large retrieved contexts.
Long output (reports, code files)
Use gpt-oss-20b. Its 131K max output lets you generate complete artifacts in one request.
Full specs
Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.
| Spec | Amazon Titan Text Express | gpt-oss-20b |
|---|---|---|
| Context window | 42,000 tokens (42K) | 131,072 tokens (131K) |
| Max output tokens | 8,000 tokens (8K) | 131,072 tokens (131K) |
| Speed tier | Balanced | Balanced |
| Vision | No | No |
| Function calling | No | Yes |
| Extended thinking | No | Yes |
| Prompt caching | No | Yes |
| Batch API | No | No |
| Release date | N/A | Aug 2025 |
Pricing matrix
Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.
| Provider | Amazon Titan Text Express in | Amazon Titan Text Express out | gpt-oss-20b in | gpt-oss-20b out |
|---|---|---|---|---|
| Aws Bedrock | $1.30/M | $1.70/M | — | — |
| Deepinfra | — | — | $0.040/M | $0.150/M |
| Fireworks | — | — | $0.050/M | $0.200/M |
| Groq | — | — | $0.075/M | $0.300/M |
| Novita | — | — | $0.040/M | $0.150/M |
| Openrouter | — | — | $0.020/M | $0.100/M |
| Ovhcloud | — | — | $0.040/M | $0.150/M |
| Replicate | — | — | $0.090/M | $0.360/M |
| Together Ai | — | — | $0.050/M | $0.200/M |
Frequently asked questions
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Example: a multi-turn chat session
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