Claude Haiku 4.5 vs GPT-6 Astra
At a Glance
| Compare | Claude Haiku 4.5Anthropic |  GPT-6 AstraOpenAI |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #43 of 469.0 score · 2/3 sources · provisional · missing LiveBench · full-core range 6.0–39.3 | #6 of 4684.4 score · 3/3 sources · complete |
| CostLower is better · Published-token output estimate | UnrankedNot in the 44-model eligible cohort | #41 of 44$0.520 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.5 | UnrankedNot in the 38-model eligible cohort | #27 of 3849.2 score · 3/3 sources · complete |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $1.00Anthropic ↗ · Sep 3, 2026 | $10.00Openai ↗ · Sep 4, 2026 |
| Output priceFrom · USD / 1M tokens | $5.00Anthropic ↗ · Sep 3, 2026 | $50.00Openai ↗ · Sep 4, 2026 |
| Context windowMaximum documented tokens | 200K | 1,050K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 4, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Claude Haiku 4.5 | GPT-6 Astra |
|---|---|---|
| ARC-AGI-1verified-v1-ba05d69f6453 · verified_score · leader | 47.6748% of row best · percent · Claude Haiku 4.5 (Thinking 32K) | 98.50100% of row best · percent · GPT-6 Astra (XHigh) |
| ARC-AGI-2verified-v2-6c676fa3e9af · verified_score · leader | 4.034% of row best · percent · Claude Haiku 4.5 (Thinking 32K) | 95.00100% of row best · percent · GPT-6 Astra (Max) |
| LMArena Document Arenadocument-2026-09-13-d25aabda0010 · arena_rating · leader | 1,419.9797% of row best · rating · claude-haiku-4-5-20251001; 95% CI [1414.09579972, 1425.83505080]; votes 34677; rank 37 | 1,467.52100% of row best · rating · gpt-6-astra-max; 95% CI [1453.25995337, 1481.78626802]; votes 1621; rank 16 |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,396.6497% of row best · rating · claude-haiku-4-5-20251001; 95% CI [1394.12644647, 1399.14715328]; votes 129278; rank 147 | 1,443.72100% of row best · rating · gpt-6-astra-max; 95% CI [1432.08094427, 1455.36783662]; votes 2693; rank 59 |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 75.1587% of row best · points · Claude Haiku 4.5 · 10,996 output tokens / case | 86.21100% of row best · points · GPT-6 Astra (max) · 14,778 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark wins | 4 benchmark winsOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Claude Haiku 4.5 | GPT-6 Astra |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Family | Claude 4 5 | Gpt 6 |
| Model | Claude Haiku 4.5 | GPT-6 Astra |
| Version | Claude Haiku 4.5 | GPT-6 Astra |
| Lifecycle | active | active |
| Released | 2025-10-15 | 2026-09-03 |
| Knowledge cutoff | Unknown | 2026-04-30 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 200K | 1,050K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard), Deepinfra (Standard) | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, computer-use, generation, reasoning, research, tools |
Claude Haiku 4.5 Capabilities
GPT-6 Astra Capabilities
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|---|---|---|---|
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Claude Haiku 4.5Anthropic | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Claude Haiku 4.5Anthropic | vs |  Hy4 previewTencent | cross-developer peerstext |
Claude Haiku 4.5Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Haiku 4.5 vs GPT-6 Astra FAQs
Is Claude Haiku 4.5 or GPT-6 Astra better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Haiku 4.5 and GPT-6 Astra, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Haiku 4.5 or GPT-6 Astra?+
Claude Haiku 4.5 is $1.00 and GPT-6 Astra is $10.00 per million tokens, so Claude Haiku 4.5 is cheaper on this metric. Claude Haiku 4.5 is $5.00 and GPT-6 Astra is $50.00 per million tokens, so Claude Haiku 4.5 is cheaper on this metric.
Which has a larger context window, Claude Haiku 4.5 or GPT-6 Astra?+
GPT-6 Astra has the larger sourced context window. Claude Haiku 4.5 supports 200K and GPT-6 Astra supports 1,050K.
Which performs better in benchmarks, Claude Haiku 4.5 or GPT-6 Astra?+
GPT-6 Astra leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Claude Haiku 4.5 or GPT-6 Astra be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Haiku 4.5 is not marked open weight; GPT-6 Astra is not marked open weight.
Can Claude Haiku 4.5 and GPT-6 Astra understand images?+
Claude Haiku 4.5 is documented with image input; GPT-6 Astra is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Haiku 4.5 or GPT-6 Astra?+
GPT-6 Astra has the larger sourced maximum output: Claude Haiku 4.5 supports 64K and GPT-6 Astra supports 128K output tokens.
Do Claude Haiku 4.5 and GPT-6 Astra support reasoning and tool use?+
Claude Haiku 4.5: reasoning, tool calling, and image input. GPT-6 Astra: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Haiku 4.5 or GPT-6 Astra?+
Claude Haiku 4.5 has 2 sourced provider routes; GPT-6 Astra has 2, a tie.
Which offers better value, Claude Haiku 4.5 or GPT-6 Astra?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.